Justin Bieber "My World" Backpack Shell Material  Nylon, Polyester Exterior Features: Adjustable Strap, Contoured Straps, Front Pouch, Mesh Pocket, Zip Pocket Handle Type: Adjustable Strap Closure Style: Zip Closure Used For: School Dimensions: 16.0 &#34; H x 12.0 &#34; W x 5.0 &#34; D Care and Cleaning: Wipe Clean With a Damp Cloth