Our 13 x 14 3 Mil Poly Bags offer medium weight for shipping parts, clothing, food storage and more. S-16432, PB876, 872. All 13x14 3mil polybags are made from low density polyethylene and can be recycled. Our flat open top 13 x 14 .003 plastic bags feature impressive clarity and make storage and organization simple for industrial, food service and healthcare applications. These light weight plastic lay flat 13 inch by 14 inch bags can be sealed by using twist ties, bag tape or by heat sealing, and they meet FDA requirements for use in food packaging and storage applications.