Sports Waterproof Oxford Cloth Outdoor Leisure Travel Backpack $ 20.74 Product information : Luggage size: medium Capacity : 20-35L Internal structure of the bag: zipper pocket, mobile phone pocket, document pocket Opening method: zipper Applicable gender: unisex / both men and women Material: Oxford cloth With lock or not: no With or without rain cover: no Function: Breathable, waterproof and wear-resistant Hardness: medium to soft pattern: plain Lining texture: polyester Type of accessories: handle Strap root number: double root Popular elements: car suture Carrying parts: soft handle Outer bag type: inner patch pocket Bag shapes: square vertical section With or without tie rod: No Carrying system: air cushion strap Color: black, dark grey Packing list: Backpack*1