1.Multifunctional cooler bag for insulating food or beverage 2.Customized design/logo/ OEM are available 3.Durable material Description: 1,Multifunctional cooler bag, combined with inner cooler bag and outside backpack2,Reinforced handles for added durability3,Adjustable shoulder strap and fashion3,The product is fashion,easy to clean4, ISO 9001:2008 Features:1) Item name: cooler backpack2) Item ...