Features Thick, puncture resistant bags are ideal for heavy products or parts with sharp edges. Super heavyweight bags feature a track zipper extending the entire width of the bag. Meet FDA & USDA requirements for food applications. Sizes listed are the inside dimensions of the bag. Pack of 1000. 8 Mil Reclosable Poly Bags. Specifications Color: Clear. Material: 8 Mil. Dimension: 4" W x 8" L.