★★ Multi-compartment Backpack: One separate laptop compartment fits 15.6 inch Laptop as well as 15 inch, 14 inch and 13 inch Laptop. One spacious main compartment fits books, light clothes or daily supplies. Besides, the slim backpack owns a lot of pockets for storage and organization for small items, hidden zipper pockets for additional anti theft protection on the back of the backpack. ★★ High Quality Zippers: Smooth two-way zippers are a very important component of the men and women casual daypack backpack, which are made of heavy duty metal material, wear-resistant, anti-oxidated and easy to slide and work smoothly. The zipper pull-tabs are durable, good-sized and elegant in design. ★★ Waterproof Backpack: The computer backpack is made of Oxford fabric with high density nylon lining, which has good waterproof performance, protects your belongings from splashing water and rain, is perfect for working, weekend getaways, shopping, going to school, commuting and other outdoor activities.