Our 2" x 4" 2 Mil Clearzip® Locking Top Bags are used to seal standard weight products and are the most popular thickness for parts, clothing, food storage, and more. 2 mil Clearzip® Locking Top bags are made from low density polyethylene and can be recycled. Reclosable 2" x 4" .002 plastic bags feature impressive clarity and make storage and organization simple for industrial, food service, and medical industry applications. 2 inch by 4 inch 2 mil Zipper Locking bags meet FDA/USDA requirements for use in food packaging and storage applications.