Capacity: 20-35L Package internal structure: ID bag, mobile phone bag, laminated zipper bag, zipper pocket, computer pocket Opening method: zipper Material: Polyester Whether with lock : No With or without rain cover: None Function: waterproof, breathable, wear-resistant, anti-theft, lightening, shockproof Processing methods: soft surface Hardness: medium pattern: plain Lining texture: polyester Accessories type: handle Strap root number: double root Popular elements: metal Lifting parts: soft handle Outer bag type: with cover bag Bag shapes: square vertical section With or without tie rod: No Carrying system: Physiological curve back plate
