We choose HIGH DENSITY oxford nylon fabric as material, STRENGTHEN every stitching joints and WIDEN the strap to 0.6" in width to make it durable for years. This is absolutely a much more excellent quality bag than other bags in same style and same price on amazon. Zipper top closure. This large tote can accommodate 15" laptops, folders, A4 files, books, iPad, cosmetics, cellphone, charger, water bottle, wallet, lunch box and more. Come with a detachable wristlet handbag, which has 2 open pockets and a zipped pocket inside. This tote has an back zipped pocket for keys. The inside has a big compartment with 2 open pockets and a zipped pocket. Handle drop is 10.43", easy to wear on your shoulder. Lightweight and pliable, a great carry-all for work, travel, school or leisure. Dimensions: 15.07"(Bottom Length) x 11.81"(Height) x 6.61"(Bottom Width).