Main Material: Genuine Leather Genuine Leather Type: Cow LeatherMaterial Composition: Crazy Horse Leather Exterior: Open PocketNumber of Handles/Straps: Single Item Height: 13inchClosure Type: Hasp Style: CasualHandle/Strap Type: Soft Handle Item Width: 8inchPattern Type: Solid Size: 15 InchesLining Material: Genuine Leather Item Weight: 1.41kgItem Length: 16.5inch layer: 2 layerCapacity: Can hold 15.6" laptop, iPad, A4 books, folding umbrella, etcShoulder Strap: Detachable and adjustableInside: Interior zipper pocketColor: BrownFunction: Can be used as backpack, business bag, work bag, multifunctional bag