Burton Youth Day Hiker 100% Polyester Imported Dimensions: 17" x 11" x 6.7"; Volume: 20L; 600D polyester construction with PU backing Main zippered compartment features a secondary organization compartment; Internal ID window with a name card; Multifunctional vertical board carry straps Ergonomic shoulder straps for comfortable carrying; Sternum strap adjusts for a custom fit; Hip belt secures the pack Internal zippered mesh pocket with key clip, external zippered pocket, and mesh water bottle pockets for storage Internal padded sleeve for small laptop or tablet [14" x 10.25"]; Lifetime warranty