Capacity: 30 Liters Dimensions: 18.4" x 14.1" x 5" Contoured shoulder straps have high-density foam cushioning along with breathable air mesh to give added comfort Dual compartments help you keep books and folders organized Front bike light loop and reflective safety accents help keep you visible at night Made of tough 1,680-denier material with Omni-Shield technology for added strength Molded zipper pulls allow easy use Padded laptop sleeve can accommodate most computers up to 15" Separate tablet sleeve Separate organizer compartment features a carabiner clip for added utility Vertical front accessory pocket is great for earbuds, batteries and other small items, while a soft-lined accessory pocket can be used to keep delicate items safe from scratches Web grab handle offers additional carry options Air mesh padded back