The exterior of lunch bag is constructed out of oxford fabric for durability and easy cleaning. The lining of lunch bag is made of PEVA foil that won’t melt easily when the bag hold something hot. This cooler bag has adjustable shoulder straps, at the same time, we use a high quality zipper which will minimize the possibility of broken zipper. The lunch bag is made of insulated material which can keep foods and drinks cool or warm. Besides, the interior lining is made of food grade PEVA foil so you could put your foods into the bag directly. This product is available printed with your own design, photo, logo or text! Welcome to send us inquiry! The stock sample is free to go!