The Rocketflyer backpack is a great backpack for all the rocket and airplane fans out there. The cover flap that features a zippered pocket opens to a main compartment that's roomy enough to hold folder and books. There are also 2 interior slip pockets that keep pencils and crayons organized. It also has 4 exterior pockets, helping kids stay organized. The straps are padded making the backpack comfortable to wear. Great size for kids 36”-42” (3+ years). Dimensions: W 12.5 x D 4 x H 10 inches. Bixbee makes all their products from materials free of PVC, phthalate, lead and BPA. Wipe clean and allow to air dry.