Camping Hiking Laptop Travel Sports School Backpacks Bag for Birthday Gift Imported DURABILITY --- 1680D polyester, water resistant; Designed and made according to Ergonomics; lightweight but durable. COMFORT --- Air mesh on the shoulder straps and lumbar pad provides comfort and breathability. Adjustable Shoulder Strap from 17" ~ 33", Strap width: 3". FOR LAPTOP --- Dedicated laptop compartment holds most laptops with up to 14-Inch screens, including 13-Inch and 15-Inch MacBooks. Two side pouches for umbrella and water bottle. DIMENSIONS(L*W*H) --- 12" x 10" x 17". The front pouches can hold your retina display and Apple iPad easily, along with mobile phone and iPad, earphones, passport, social security card, credit cards, wallet, pencil case, B4 size books, umbrellas, drinking flasks, sunglasses, cigarette or tissue, etc. OCCASIONS --- Effortlessly styles for different occasions like school, sports, traveling, climbing, camping and cycling, etc.