US Military Surplus BIOHAZARD BAG Set of 20 These bags are used in US government medical facilities and laboratories for storing and transporting specimens. Made of medical-grade polyethylene, these Mil-Spec zip-lock packs are non-toxic, odorless, easy to open and close, simple to use, airtight, dust-proof, and moisture-proof, suitable for a variety of uses. There is a pocket on the outside of the pack for attaching documents. We use these bags for storing small items, snacks, as gift packaging for sweets, and for organizing travel items and medications. Size: Approximately 15.2cm (W) x 25.2cm (H) Material: Polyethylene Condition: New, Unused Although these are new and unused items taken from the original box, they are US military surplus. Please refrain from purchasing if you are sensitive to this. The white outer bag and outer box shown in the product image are not included in the sale.