Materials: Polyester two tone cloth Laptop compartment: Fits 15.6 Inch Macbook Air/Pro, and most 13"-15.6" Dell HP ASUS Acer Laptop Computers Ergonomic carrying system brings more comfort to you in trips with heavily padded back straps. 26 Multiple Organizer Pockets, for phone, pens, keys, wallet, purse, passport. Top loading pocket for an easy access to your glasses. Side Pockets: fit maximum 500 ml water bottle, a folding umbrella, or other small items Capacity: 25Liters Dimensions:18 x 13 x 7 inch SKU: LP-6881-02T00