HAAUT Harry Potter Slytherin Port Bag Drawstring Backpack Material: 100% Polyester,Fabric Texture. Lightweight, Soft, Durable,soft Shoulder Straps. Can Store Many Products:iPad,notebook, Purse,phone,laptop,pens,clothes,etc. This Backpack Is Comfortable, Spacious, And Will Stand To Daily Wear And Tear. Large 17" X 20" Bag (43cm X 51cm). 20% Larger Than Standard Sports Drawstring Bags.