2 MIL – Most commonly used thickness for protection when storing or shipping all types of items
such as shirts
Great for items that need to be protected from moisture and dirt
4 MIL – Extra heavy-weight protection when storing or shipping heavy items that may have protruding edges
or heat sealed for closure
Lay Flat Poly Bags - 9" x 16", 2 MIL 3 MIL 2 MIL – Most commonlyMade 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.