Our 4" x 6" 4 Mil flat clear plastic poly bags on roll are good for packaging heavy weight items for added protection of food, parts, hardware and more. All 4x6 4 mil polybags on roll are made from low density polyethylene and can be recycled. These layflat 4" x 6" .004 plastic bags on roll feature impressive clarity, durability and make storage and organization simple for industrial, food service and medical industry applications. These heavy weight plastic lay flat 4 inch by 6 inch bags on roll 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.