Heavy-duty zipper that extends the width of the bag and keeps products clean and free from moisture These premium poly bags have superior clarity. Reclosable bags can be reused. Bags are leak resistant. Bags meet FDA and USDA specifications for food contact. Mini-Grip 4-Mil Reclosable Poly Bags, 8in. x 10in., Case Of 1,000 is one of many Poly Bags available through Office Depot. Made by Minigrip.