Model Number: WD30191 Material:water resistant fabric Backpacks Type: Softback Interior: Interior Slot Pocket Handle/Strap Type: Soft Handle Closure Type: zipper Lining Material: nylon Pattern Type: Letter Measure: L44*W20*L31cm Weight: 1KG Capacity: 20-35 Litre,Style: Business,Daily,Work,Outdoor,Travel Fit for: 14"-17"Laptop Wash mode:By hands.