Burton Annex Backpack Polyester Imported Dimensions: 20" x 10.5" x 7"; Volume: 28L; Durably constructed Zippered bucket top opening to main compartment for convenience; Adjustable webbing system for attaching gear Ergonomic shoulder harness with adjustable sternum strap and load lifters for comfortable carrying Internal zippered mesh pocket with key clip, external fleece-lined accessory pocket on bucket top, and secured external accessory pockets for storage Externally and internally accessible padded laptop compartment [18" x 10" x 2"] and tablet sleeve [11.5" x 7.5"]; Lifetime warranty