Fashion Solid Color Nylon Functional Men's BackpackProduct information: Opening method: zipper Applicable gender: male Material: Nylon Whether with lock: no With or without rain cover: no Function: breathable, waterproof, wear resistant, anti theft, shock resistant, capacity expansion, load reduction Processing methods: soft surface Hardness: soft Lining texture: polyester Types of accessories: luggage belt Strap root number: double root Carrying parts: soft handle Outer bag type: three dimensional