The knapsack have large capacity, multilayer inner structure make your belongs in order. Oxford fabric material handiness and waterproof. 3D breathable sponge and thickened pad comfortable and lightweight.Features:Modern business style, smooth cutting, classical black color, fashion and resistant to dirty.Large capacity can pack all your electronic devices and daily necessities.Oxford fabric material is handiness and waterproof.SBS zippers increases durability, convenient and gives luxury look.3D breathable honeycomb back pad comfortable and lightweight, relieve shoulder and neck pressure.USB charge allows you to charge your mobile phone when you moving.Back have anti-thief bag, keep your belongs far away from lost.Individual computer space. 3 ways to pack. Comfortable handle.Can be used with draw-bar box, free your hands.Specifications:Brand: MARK RYDENModel: MR9533_00Color: BlackOpening Model: ZipperMaterial: Oxford Fabric + DacronStyle: BusinessShoulder Strap Quantity: 2Bag Size: Middle SizeLock: NoCapacity: 20-35LPull Rod: NoFunction: Waterproof, Breathable, Wear-ResistantPopular Element: Sewing ThreadPattern: Pure ColorItem Size: 420 * 300 * 110mm / 16.54 * 11.81 * 4.33inPackage Weight: 990g / 34.92ouncesPackage Size: 420 * 300 * 60mm / 16.54 * 11.81 * 2.36inPackage List:1 * Knapsack