The lightweight school Backpack surface all inclusive printing is not machine washable √Material: twill + braid √Size: 15*11.5*6 inches √Structure:The backpack includes one main pocket, one external zipper pocket, two front sticker pockets, one internal zipper pocket, one sponge compartment, two kettle bags. √The product is stiff in appearance, with more grids and multiple pockets. It has strong functionality and can meet various travel needs. The all-inclusive printing makes it the most different one among the crowd.