Justin Bieber "My World" Backpack Exterior Features: Zip Pocket, Mesh Pocket, Front Pouch, Adjustable Strap, Contoured Straps Shell Material: Polyester, Nylon Handle Type: Adjustable Strap Closure Style: Zip Closure Dimensions: Length: 16.0 "; Width: 12.0 "; Depth: 5.0 "