Tomson Aluminum Foil Insulated Lunch Bags, made of 600D Polyester with 3mm Aluminum Foam, has large capacity with 6.00” W x 4.00” H front open pocket with zipper. With design of top zippered closure, things can be taken in and out easily. 11.00” L x 1.00” W reinforced strap can reduce shoulder pressure. 2mm Aluminum Foil for insulation inside helps to keep your food warm and fresh. Hand wash only. Large imprint area is perfect to show your brand and logo. Rush 3 days available with rush charge upon request.