This economy lunch bag is made of Non-Woven Polypropylene and Aluminum Ultrasonic Dot Insulation materialmaterial. This insulated lunch bag also features a large imprint area. The tote bag has thermal lining which protects from the heat and has zipper closure. Product size is 14" L x 15" W x 7 1/2" H, other product size can be customized according to your request.