Puma Sharp IV Backpack Bookbag Material:60%Polyester,40%PU Dimension:(W)top 28cm / down 32 cmX(H)46.5cmX(D)18cm=(W)top11" / down 12.6" X(H) 18.3" X(D) 7" Strap length: approx 89 cm Outside pocket:3, Inside pocket: 3