... in PP bag,40bags/carton Teenage school backpack :Material for Teenage school backpack : 600D x300D/PVC Size for school bag: 40 x30 x12CM Color ... for Teenage school backpack :Mixcolor or any you ... of materials for our bags such as Polyester,Nylon, Microfiber, Canvas, Satin, clear PVC, T/C Cloth, Mesh, non-woven, , ...