Free samples are available.A trendy and convenient foldable backpack is a smart way to get customers to promote your brand! This Foldable Backpack is made of waterproof oxford material. Large capacity backpack has a main zipped pocket with an inner pocket for you to organized various items like phone, books and clothes. The front pocket is good for holding small accessories. You can place water bottle and umbrella on two side mesh pockets with reflective strip. Its weighs only 0.33lbs and easily fold into hand-size pouch. Perfect for daily use, vacation, travel, school, camping and shopping.