Meets the heaviest needs for industrial parts and items with sharp
Most commonly used for packaging light industrial parts
Made of 4 MIL high quality black carbon impregnated film to create an extra strong static barrier
Meets MIL-P-82646 Rev B requirements
but also need the durability for shipping
Lay Flat Poly Bags - 18" x 18", 2 MIL 1 MIL Meets the heaviest needs forMade from 100% virgin polyethylene Meet FDA and USDA specifications for food contact Most commonly used thickness for packaging, displaying, storing and protecting food, crafts, and various industrial parts Great for items that need to be protected from moisture and dirt, but also need the durability for shipping, such as dolls, rivets, fuses, washers, etc.