Sprayground Flower Bomb Reload Backpack Velour sunglass compartment, hidden large back compartment, notorious stash pocket, velour laptop sleeve, padded tablet sleeve, four mesh-velcro accessory compartments, padding on back for added support, adjustable straps for custom sizing Custom reinforced SBS Zippers and shoulder straps Durable 900d Water-Resistant Fabric Dimensions: 12 x 18 x 16