Our 23" x 10" x 40" 4 Mil flat clear plastic poly bags are for packaging heavy weight items and are great for parts, clothing, food storage and more. All 23 x 40 4 mil polybags are made from low density polyethylene and can be recycled. These layflat 23" x 40" .004 bags feature impressive clarity, durability and make storage and organization simple for industrial, food service and medical industry applications. These heavy weight plastic lay flat 23 inch by 40 inch bags are perforated for easy tear off and 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.