4x4 2 mil reclosable zip locking compartment bag with 3 Vertical Middle Seal These plastic zip top locking bags are often used for an optical lense bag that is perfect for shipping lenses when you dont want them to touch each other in transit Features. Easy to use and convenient designs. Ideal solution for a variety of uses. Case of 1000Specifications. Gauge 2 Mil. Material 100 Virgin Low Density Polyethylene. Width 4 in. Height 4 in. Recyclable Yes. Size 3. Dimension 5 x 7 x 9 in. Weight 345 lbs