Columbia Tamolitch Backpack with 15" Laptop Pocket, Black Imported Padded laptop sleeve,soft-lined tablet sleeve, front organizer compartment with two electronics pockets, one large slot pocket, and three pen holders Contoured padded shoulder straps with Air Mesh Air Mesh back panel with PE board for extra support Two front accessory pockets and side water bottle pockets Dimensions: 18.3" x 12.5" x 8.3", Storage Capacity: 23.7L (1449 cubic inch), Weight: 1.5 lbs, Lifetime Warranty