canvas backpack 1. Material: canvas 2. Size: 45*31*13cm 3. Feature: school bags,backpack,rucksack, climbing bags Product Info: Product name Backpack bag backpackMaterial600D polyester/pvc+lining:190T nlyon, canvas or as your requested Size 45*31*13cm or CustomizedColorFull colors as your request.LogoCustomer pattern applicable.Type:BackpackPrinting technologysilk screen printing, intaglio ...