Large Capacity Retro Leather Outdoor Travel Bagpack Bag Size: Big Capacity: 20-35L Package Internal Structure: Zipper pockets, Mobile Phone Pockets, Document Pockets, Interlayer Zipper Pockets, Computer Pockets Opening Method: Zipper Material: Genuine Leather With Lock: No With Or Without Rain Cover: None Processing Methods: Soft side Hardness: Middle Pattern: Pure Color Lining Texture: Polyester cotton Number Of Shoulder Straps: Double root Carrying Parts: Soft Handle Outer Bag Type: Inside Patch Pocket Bag Shape: Vertical Square Color: Brown Is there a back cushioning cotton: Have Waterproof Degree: None Accommodates Cmputer size: 14 (Main pocket can hold 15.6 inch) Item number: MLBP-04