THE CLOWNFISH Large Capacity Expandable Water Resistant Business Travel Laptop Backpack (Black) PREMIUM MATERIAL: This multifunctional large capacity expadable backpack is made of high quality water resistant and polyester material. The hardware such as zippers, pullers are wear resistant, smooth, of premium quality and durable. EXPANDABLE CAPACITY: Three roomy spaced compartments to hold all travel accessories. Soft flannels that protects up to a 15.6 inch laptop, Ipad Tablet. These multicompartments can store clothes, files, folders, diaries, other office accessories. Organizer pockets to hold mobile, pens, paasport, other digital accessories. Extendable side pockets for waterbottle, folding umbrella. Mesh pocket for regular use items. Sturdy cushioned handle to carry as handbag. SIZE & ADDITIONAL FEATURES: Cup or small bottle buckle device on the side of the bag. Compass with the bag for free and covenient travel access. Comfortable sweat wicking, breathable ergonomic design of shoulder strap to relieve burden during travel. Card slot on the strap for easy access. Weight of the bag is 1.75 Kg ; Dimensions: 30 cms x 21 cms x 50 cms (LxWxH). ANTI- THEFT PASSWORD TSA LOCK: A built-in TSA padlock gives the backpack an added level of security. The lock can be opened by TSA as needed during the screening process thus helps deter thefts during travel. TROLLEY STRAP & CONVENIENCE : The insertible pull rod box design allows the bag to slide over the luggage handle for easy mobility during traveling.