About our product:This laptop backpack, ideal for anyone on the move, is reasonably designed to protect your laptop / tablet PC very well, and also organize and keep your gear accessible and secure for the daily commute or business travel, or used as a shoolbag. Specification:Name: Laptop Backpack Water Resistant BookbagBrand: SOCKOMaterial: Oxford nylon cloth; 210D waterproof polyester liningWeight:1.4KG/3.0lb Gender:Unisex Sizes Exterior: 55x40x19CM/21.7x15.7x7.5Inch Laptop sleeve : 50x35CM/19.6x13.8Inch Note: fits most up to 18.4 inch Laptops,may not snugly fit all computers due to variations in the sizes of different models. Application:Business/Travel /College / Casual /Sport /Outdoor / Hiking / cycling. Package: 1x Backpack,NOT including any other items.Creative Design :1.  Unique design makes it look more special and attractive . laptop sleeve is not only well padded, but also with elastic velcro strap closure to accommodate more different laptop sizes. 2.  Various practical pockets are designed very reasonably to organize  more easily daily. Used items, phone,pens,wallet,books,umbrella,water bottle etc. The back side is specially designed to be more ventilated to keep carrying in comfort for a long time. Well Constructed 1.  Front Compartment: 3 zippered pockets on The front. 2.  Main Compartment: a separate laptop sleeve padded with soft thick foam,a big mesh pocket,At middlel,very spacious for big items. 3.  Sides:2 mesh pockets and 2 zippered pockets at two sides for waterbottle,compact umbrel  etc.4.  Sturdy adjustable shoulder straps and soft mesh foam padded top handle for long-time carrying in comfort. Warm Tips:1.  Please do not worry about the material smell with the bag when you receive it, the smell will disappear in a airy place for a while.2.  Thanks for your purchasing in our store! Please contact us for any question about products, we will give you a satisfactory solution!Wish You a Happy Online Shopping!!!