Waterproof Multi-layer Backpack For Men And Women $ 20.22 Product information : Capacity : 36-55L Internal structure of the bag: zipper pocket, mobile phone pocket, document pocket, interlayer zipper pocket Opening method: zipper Applicable gender: unisex / both men and women Material: PU leather Function: breathable, waterproof Processing methods: soft surface Hardness: soft Lining texture: polyester Types of accessories: Backpack shoulder pads Strap root number: double root Popular elements: car suture Carrying parts: soft handle Outer bag type: inner patch pocket Color: black, yellow brown Packing list: Backpack*1