Travel, school, laptop, and daily backpack. SWISSWIN modern design high quality Backpacks, with multiple pockets and compartments to seamlessly organise your documents, laptop, diary, pens and tablet fitted out in this comfortable backpack, this backpack is the perfect choice as your school backpack, business travel backpack and Daily shoulder bag. SWISSWIN bags strictly use waterproof resisting abrasion-proof high quality materials. Meanwhile, SWISSWIN brand use sedate colour to accent its low-key and luxury to bring a brand new experience of luxury business and travel backpacks Size: 17" (whole computer size) Dimension: 34x22.5x45 Material: Polyester (main and lining material) Closure Way: Zipper Capacity: 30L Weight: 1.2kg Colour: Black Features: Water-resistant Wear-resistant Multi-compartment Washing Method: Wipe with a damp cloth. Due to different measuring methods, a tolerance of 1-1-2 (0.0.4–0.8 inches) would be acceptable.