Description 【Large Capacity Backpack】Exterior dimensions - 18" X 13.2" X 7.5"; Laptop Compartment Dimensions - 17" X 12.5" X 5.5"; Volume: 29 liters; Weight: 2.13lbs. 【Multiple & Large Roomy Compartments】This backpack has Three, large, zipper-compartment and One, front quick-access pocket; Two, mesh, side-bottle pocket. In back compartment , built-in padded sleeve can hold up to 15.6” laptop, besides, there are total 7 different size slots or mesh zipper pocket, pen holders in central and front compartments, so you can easily find right places for your writing utensils, charger, cable, wallet, passport, A4 folders, big binderds, textbooks and clothes. 【Ergonomic & Comfortable】Ventilation-designed back padding offer extra back support and airy comfort; Contoured & Heavily padded shoulder straps and top handle lessen the heavy feeling even you carry very heavily. 【Durable & Water Repellent 】This laptop backpack made of durable 1680D ballistic polyester with Water- Repellent finishing, which makes the rucksack sturdy and stop water penetrating the bookbag and keeps your things dry in light rain, ensure a long-lasting usage for everyday, Perfects for business,work,school, travel, outdoor activities. 【Multifunctional Daypacks】It can be served as everyday backpack, college bookbags, professional backpack for laptop computer or daily use at anywhere for weekend getaway, overnight backpack. It can fit under seat or overhead bin of most air planes, perfect as a carry-on travel laptop