{"product_id":"labplas-twirlem-write-on-sampling-bags","title":"Labplas TWIRL'EM® Write-On Sampling Bags","description":"\u003ch2\u003eLabplas TWIRL'EM® Write-On Sampling Bags \u003c\/h2\u003e\n\u003cp\u003eLabplas TWIRL'EM Write-On bags are clean, single-use sampling bags with a printed writing area, so the sample ID, date, location and sampler can be recorded right on the bag. The built-in wire closure seals them waterproof and airtight with a simple twirl and fold, and a tear-off perforated top keeps the opening clean until you sample.\u003c\/p\u003e\n\u003cp\u003eThis page covers eight Write-On bags in two closure styles: the \u003cstrong\u003estandard closure\u003c\/strong\u003e (2 round wires) and the \u003cstrong\u003eheavy sample \"MixWire\" closure\u003c\/strong\u003e (1 round + 1 flat wire) for denser samples. Sizes run from 3.5 × 7 in to 7 × 12 in. They're used in food and beverage QA\/QC, wastewater and environmental field sampling, agriculture, research laboratories, and universities and colleges. TWIRL'EM bags are available in Canada from Cambridge Environmental Products with CAD pricing and Canadian purchasing support.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9d9d9; padding: 18px; margin: 24px 0; border-radius: 8px; background: #f8f8f8;\"\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35; margin-top: 0;\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eField sampling programs\u003c\/strong\u003e where sample details must stay with the sample\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWastewater and environmental labs\u003c\/strong\u003e: water, sludge and soil sampling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood and beverage QA\/QC\u003c\/strong\u003e: raw material and finished product microbiology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgriculture\u003c\/strong\u003e: soil, feed and tissue samples, including heavy samples\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eResearch laboratories, universities and colleges\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhy Choose TWIRL'EM Write-On Bags?\u003c\/h2\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eClean, single-use bags\u003c\/h3\u003e\n\u003cp\u003eLabplas produces TWIRL'EM bags with dry heat during film extrusion (above 220 °C \/ 428 °F), which its data sheet rates at a sterility assurance level (SAL) of 10⁻³. Labplas also lists them as DNase-free, RNase-free and non-pyrogenic. If your procedure requires certified sterile bags, choose \u003ca href=\"\/fr\/products\/labplas-twirlem-clean-room-sterile-sampling-bags\"\u003eTWIRL'EM Clean Room\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003ePrinted writing area for traceability\u003c\/h3\u003e\n\u003cp\u003eRecord sample details directly on the bag. You don't need separate labels, which can fall off when bags get wet or cold, and there's less risk of mixing up samples.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eTwo closure strengths\u003c\/h3\u003e\n\u003cp\u003eThe standard closure (2 round wires) suits most samples. The heavy sample \"MixWire\" closure (1 round + 1 flat wire) gives a stronger hold for denser or heavier samples such as soil, sludge, meat or feed.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eSecure wire closure, no tools needed\u003c\/h3\u003e\n\u003cp\u003eTwirl the bag by the wire ends to wind the top closed, then fold the wires over to lock it. The sample is sealed waterproof and airtight for transport, without caps, clips or heat sealers. A tear-off perforated top keeps the opening clean until you sample.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eFood-contact compliant film\u003c\/h3\u003e\n\u003cp\u003eThe polyethylene-blend film meets FDA 21 CFR 177.1520 and EU Regulation No 10\/2011 for food contact, according to Labplas. That matters when bags hold food samples or product destined for testing.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eLong shelf life\u003c\/h3\u003e\n\u003cp\u003eLabplas lists a 5-year shelf life when stored dry at room temperature, so cases of 1,000 can be kept on hand without waste.\u003c\/p\u003e\n\u003ch2\u003eAvailable Bags\u003c\/h2\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eClosure\u003c\/strong\u003e first, then the \u003cstrong\u003eSize\u003c\/strong\u003e. For a plain clear bag without printing, see \u003ca href=\"\/fr\/products\/labplas-twirlem-clear-sampling-bags\"\u003eTWIRL'EM Clear\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 12px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eClosure\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eSize (in)\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eSize (mm)\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eThickness\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eCase\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEPR-3070\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e3.5 × 7\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e89 × 178\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e3 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEPR-4515\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e4.5 × 15\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e114 × 381\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e2.5 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEPR-5590\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e5.5 × 9\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e140 × 229\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e3 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000 (2 × 500)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEPR-7012\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e7 × 12\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e178 × 305\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e3 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEPR47012\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e7 × 12 (heavy gauge)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e178 × 305\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e4 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEFR-4590\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eHeavy Sample (MixWire)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e4.5 × 9\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e114 × 229\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e2.5 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEFR-5590\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eHeavy Sample (MixWire)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e5.5 × 9\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e140 × 229\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e3 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eEFR-7012\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eHeavy Sample (MixWire)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e7 × 12\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e178 × 305\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e3 mil\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e1,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhich Bag Should I Choose?\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #d9d9d9; padding: 18px; margin: 24px 0; border-radius: 8px; background: #f8f8f8;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiquids, swabs and most food samples?\u003c\/strong\u003e Choose the \u003cstrong\u003eStandard\u003c\/strong\u003e closure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil, sludge, meat, feed or other dense samples?\u003c\/strong\u003e Choose the \u003cstrong\u003eHeavy Sample (MixWire)\u003c\/strong\u003e closure, in 4.5 × 9, 5.5 × 9 or 7 × 12 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharp or bulky samples?\u003c\/strong\u003e Choose the \u003cstrong\u003e4 mil 7 × 12 in (EPR47012)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3.5 × 7 in for small samples; 4.5 × 15 in for long items or extra headspace; 5.5 × 9 in for general use; 7 × 12 in for larger samples.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 12px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eApplication\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 10px; text-align: left;\"\u003eHow These Bags Help\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eField water sampling\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eWrite the site, date and time on the bag; the closure seals waterproof for transport.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eSoil and sludge sampling\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eThe heavy sample closure holds denser material securely.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eFood sampling\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eFood-contact compliant bags with traceable labelling; for certified sterile sampling, use the Clean Room bags.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eMolecular work\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eLabplas lists the bags as DNase-free and RNase-free.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 12px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003ePolyethylene blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eSterility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eProduced by dry heat during film extrusion above 220 °C (428 °F), SAL 10⁻³ (per Labplas). Not irradiated; no sterility certificate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eOther\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eDNase-free, RNase-free, non-pyrogenic (per Labplas)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eFood contact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eFDA 21 CFR 177.1520; EU Regulation No 10\/2011 (per Labplas)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eClosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eStandard: 2 round wires. Heavy Sample (MixWire): 1 round + 1 flat wire.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eOpening\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eTear-off perforated top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eShelf life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e5 years, stored dry at room temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px; width: 40%;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eLabplas Inc., Canada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eMaterial, sterility, compliance and shelf-life details are from the Labplas technical data sheet for TWIRL'EM bags (EPR-5590). Contact Cambridge for the data sheet for a specific code.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWriting area: printed on the bag for sample identification.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eSelection \u0026amp; Handling Notes\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #d9d9d9; padding: 18px; margin: 24px 0; border-radius: 8px; background: #fff8e5;\"\u003e\n\u003cul style=\"margin: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDon't overfill.\u003c\/strong\u003e Leave enough room at the top to twirl and fold the closure. Labplas lists a usable volume below the total volume. For example, the 5.5 × 9 in bag holds 930 mL in total but has a usable volume of 550 mL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrite before filling\u003c\/strong\u003e where possible, so the writing area is dry and flat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature limits:\u003c\/strong\u003e Labplas doesn't publish freezing or heating limits on the data sheet we reviewed. Check with Cambridge before freezing, heating or autoclaving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle use:\u003c\/strong\u003e use each bag once. Don't reuse them.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCanadian Purchasing Support\u003c\/h2\u003e\n\u003cp\u003eCambridge Environmental Products is a Canadian-owned laboratory supply distributor based in Ontario and has served Canadian labs since 1993. We supply Labplas TWIRL'EM sampling bags with CAD pricing and shipping across Canada. We work with food and beverage QA\/QC labs, wastewater and environmental labs, agriculture, research laboratories, and universities and colleges, and can help with quotes, standing orders and choosing the right bag. Also see \u003ca href=\"\/fr\/products\/labplas-twirlem-clear-sampling-bags\"\u003eTWIRL'EM Clear\u003c\/a\u003e, \u003ca href=\"\/fr\/products\/labplas-twirlem-clean-room-sterile-sampling-bags\"\u003eTWIRL'EM Clean Room\u003c\/a\u003e and \u003ca href=\"\/fr\/products\/labplas-twirlem-opaque-sampling-bags\"\u003eTWIRL'EM Opaque\u003c\/a\u003e, or browse our \u003ca href=\"\/fr\/collections\/waste-water-environmental-testing\"\u003ewastewater \u0026amp; environmental testing\u003c\/a\u003e and \u003ca href=\"\/fr\/collections\/lab-supplies\"\u003elab supplies\u003c\/a\u003e collections.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eWhat are TWIRL'EM Write-On bags used for?\u003c\/h3\u003e\n\u003cp\u003eThey're single-use sampling bags with a printed writing area for recording sample details, used in food, environmental, agricultural and research sampling.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eWhat's the difference between the standard and heavy sample closure?\u003c\/h3\u003e\n\u003cp\u003eThe standard closure uses 2 round wires and suits most samples. The heavy sample \"MixWire\" closure uses 1 round and 1 flat wire for a stronger hold on denser or heavier samples.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eHow do you close a TWIRL'EM bag?\u003c\/h3\u003e\n\u003cp\u003eHold the wire ends, twirl the bag to wind the top closed, then fold the wire ends over to lock it. This gives a waterproof, airtight seal.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eWhat's the difference between EPR-7012 and EPR47012?\u003c\/h3\u003e\n\u003cp\u003eBoth are 7 × 12 in with the standard closure. EPR-7012 is 3 mil film; EPR47012 is heavier 4 mil film.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eAre these bags certified sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. Labplas produces them with dry heat during film extrusion (SAL 10⁻³), but they are not irradiated and don't come with a sterility certificate. For certified sterile bags, choose \u003ca href=\"\/fr\/products\/labplas-twirlem-clean-room-sterile-sampling-bags\"\u003eTWIRL'EM Clean Room\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eAre they suitable for food samples?\u003c\/h3\u003e\n\u003cp\u003eYes. Labplas states the film meets FDA 21 CFR 177.1520 and EU Regulation No 10\/2011 for food contact.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eAre they suitable for wastewater testing?\u003c\/h3\u003e\n\u003cp\u003eYes. Labplas lists water and sewage among its applications, and the write-on area helps keep field samples traceable.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eHow many bags are in a case?\u003c\/h3\u003e\n\u003cp\u003eEvery code on this page comes in cases of 1,000.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35;\"\u003eAre TWIRL'EM bags available in Canada?\u003c\/h3\u003e\n\u003cp\u003eYes. Labplas is a Canadian manufacturer, and Cambridge Environmental Products supplies TWIRL'EM bags across Canada with CAD pricing.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9d9d9; padding: 18px; margin: 24px 0; border-radius: 8px; background: #f8f8f8;\"\u003e\n\u003ch3 style=\"font-size: 18px; line-height: 1.35; margin-top: 0;\"\u003eNeed Help Choosing the Right Sampling Bag?\u003c\/h3\u003e\n\u003cp\u003eTell us:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhat you're sampling (liquid, solid, heavy or sharp material)\u003c\/li\u003e\n\u003cli\u003eThe approximate sample volume or weight\u003c\/li\u003e\n\u003cli\u003eWhether your samples are heavy or dense (for the MixWire closure)\u003c\/li\u003e\n\u003cli\u003eHow many bags you use per month\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe'll recommend the right TWIRL'EM bag and size.\u003c\/p\u003e\n\u003ca href=\"\/fr\/pages\/contact\" style=\"display: inline-block; padding: 12px 18px; background: #1f4e79; color: #ffffff; text-decoration: none; border-radius: 5px; font-weight: bold;\"\u003e Contact Cambridge for Product Support \u003c\/a\u003e\n\u003c\/div\u003e","brand":"LabPlas","offers":[{"title":"Standard \/ 3.5 × 7","offer_id":49771464261891,"sku":"EPR-3070","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"Standard \/ 4.5 × 15","offer_id":49771464294659,"sku":"EPR-4515","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"Standard \/ 5.5 × 9","offer_id":49771464327427,"sku":"EPR-5590","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"Standard \/ 7 × 12","offer_id":49771464360195,"sku":"EPR-7012","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"Standard \/ 7 × 12 (4 ml thickness)","offer_id":49771464392963,"sku":"EPR47012","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"Heavy Sample (MixWire) \/ 5.5 × 9","offer_id":49771464524035,"sku":"EFR-4590","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"Heavy Sample (MixWire) \/ 7 × 12","offer_id":49771464556803,"sku":"EFR-5590","price":66.13,"currency_code":"CAD","in_stock":true},{"title":"Heavy Sample (MixWire) \/ 4.5 × 9","offer_id":49771464622339,"sku":"EFR-7012","price":66.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2006\/8997\/files\/Twirlem_Print_sous-famille_1_Web_R04032026144741.png?v=1791387581","url":"https:\/\/cambridgeenviro.com\/fr\/products\/labplas-twirlem-write-on-sampling-bags","provider":"Cambridge Environmental Products, Inc.","version":"1.0","type":"link"}