LDPE bags with safety tabs, manufactured and packaged in sterile conditions Provide a secure, contaminant-free, flexible container that ensures dependable analytical resultsRNase-, DNase-, pyrogen- and BPA-freeOffers an economical and efficient way to collect, contain and carry samplesWire tab keeps bag open for fillingUnique double fold over system provides a temporary leakproof sealUniversal use, for samples such as foods, liquids, grains, petroleum products, animal material, waste and soil samples. Suitable for environmental sampling (surface samples), carcass sampling, biomedical and pharmaceutical research, quality assurance procedures (QAQC), food industry applications and clinical and veterinary medicine. The opaque VWR bag is used in the food, pharmaceutical and environmental industries. The black resin is a total light barrier that protects photosensitive substances, such as vitamins, chemicals and pharmaceuticals, or food supplements, plant extracts and biological tissues. Note: please note that 139-9839 has still a closure with 2 regular wires