Aoibox Unisex Multipurpose Daypack Basic Canvas Backpack Lightweight yet durable backpack/daypack for school use or everyday outings Main compartment with double-zipper closure; small zippered pocket on the back side (inside the pack) and padded pocket for laptop Front zippered pocket for smaller items; Velcro-close, water-bottle pockets on both sides Adjustable padded shoulder straps for cushioned comfort External dimensions: 12" x 5" x 16" (LxWxH); Capacity: 21 Liters