17 Inch Girls Bagpack Bookbag Pink and Black with Peace and Hearts Design Polyester This backpack measures 17 x 13 x 6 and is made out of 600 Denier Polyester. It comes with a full front zippered pocket and has a matching pencil case. Also includes padded adjustable straps built for comfort. The spacious main compartment and the convenient second compartment (both with zippered closures) provide plenty of space for daily supplies.