Reclosable bags are measured by inside usable dimensions without the zipper or lip included in the size. All re-closable poly bag sizes meet FDA and USDA specifications for food. The product's content is always visible through these clear low density polyethylene bags. Premium quality bags provide superior quality. Reclosable Bags employ a reinforced side-welded zipper to lock in a single smooth motion. Reclosable Bag is available in 2 Mil and 4 Mil thicknesses. Reclosable Bag is available in Clear, White Block and Hang Hole. Reclosable bags are available in variety of sizes and are durable enough to be used many times. PackagingSuppliesByMail.com carries all kind of packaging supplies needed for daily purpose as well as for industrial use.