BAGLAND Sport Backpack - Basketball Backpack Soccer Ball Backpack Volleyball Backpack Computer Backpack Laptop Backpack High Capacity MATERIALS --- 1680D polyester, water resistant. Designed and made according to Ergonomics, multi panel Airflow Design provides extra padding for comfort, maximum back support, keeps your back cooler. DIMENSIONS --- Size (L*W*H): 11.5" x 8.5" x 18", capacity: 1880 cu in; The size of the compartment for laptop is 10" x 17". Adjustableair mesh shoulderstrap ( from 17" ~ 33", width: 3" ) and umbar pad offer comfort and breathability. PACKAGE --- Multi-pouches design for an laptop, mobile phone and iPad, earphones, passport/social security card, credit cards, wallet, pencil case, books, umbrellas,drinkingflasks, sunglasses,cigarette,tissue, etc. One main bag, one dedicated laptop compartment, two exterior zipper pouches, one ELASTIC reticular pouch in the adjustable breathable strap, one big mesh pouch for basketball, soccer, football, helmet, clothes or sport shoes, etc; one small mesh pouch for umbrella or water bottle. OCCASIONS --- Effortlesslystylesfordifferentoccasionslikebusiness, climbing, camping, cycling, school, routine, sports, traveling, etc. Lightweight but durable, ideal for long-term rugged use. BEST GUARANTEE --- If, for whatever reason, you don't absolutely love your backpack, just return it, and we'll refund every penny (or replace It, if there is a problem).