Main Features: - Designed with raised dots for massaging your back and release your fatigue - Padded separate laptop compartment at the back ( fit for 17 inch laptop ) - Ergonomic design with thickened straps and back can balance the pressure on your spine when you carry heavy loads - Made of water-resistant nylon, you can use it even in bad weather - Multi-layer pockets for you to classify different items - Adjustable strap 50 - 85cm, meeting your different needs - 35L large capacity and 20kg load-carrying capacity Specification General Brand: TIGERNU Type: Backpack For: Other,Traveling Material: Nylon Features: Laptop Bag,Water Resistance Capacity: 31 - 40L Bag Capacity: 35L Specifications Product weight: 1.040 kg Package weight: 1.080 kg Product size (L x W x H): 32.00 x 18.00 x 48.00 cm / 12.6 x 7.09 x 18.9 inches Package size (L x W x H): 32.50 x 5.00 x 48.50 cm / 12.8 x 1.97 x 19.09 inches Package Contents Package Contents: 1 x Tigernu T - B3097 Backpack