Feature:Perfectly fit student's daily necessities(books， pencil box， notebook， bottle， etc.)Antiskid plastic wheel， strengthen the base that can support more weight.Exquisite workmanship: extremely durable， wearproof and sturdy.Color: Sky Blue， Rose red， Dark blueMaterial: NylonSize: 29*38*14cm(11.4*14.9*5.5in)W*H*D Pull rod: 90cm(35.4in)Structure: main zipper pocket， compartment， 2 vice bagsPackage Included: 1 x rolling backpack