Waterproof school bag packing is 1pcs/PP bag,50pcs/Carton or customized 1.Made of polyester fabric 2.Dimensions :30 x 41 x 13 cm/0.71kg 3.Bckpack bag has padded adjustable straps and carry handle 4.Zipper opening to main compartment 5.Bags occasions :/ street/outdoor/travel/camping/school