Prime Backpack - Available in 4 colors: Black, Red, Grey, & Navy 18" H x 12" W x 9" D 100% polyester Ball Compartment for any sports ball.  Shoe Compartment with vent holes for shoes and easy to clean. Large storage capacity with a main storage compartment, pocket for laptop, extra pockets to hold keys, smartphones, wallets, bottles and other belongings. Two outside pockets to hold bottles, and extensible cord to hold cap. Superior portability - Contoured, cushioned backpack style PADDED shoulder straps provide for easy and comfortable carry. Great Quality - Waterproof and Tear resistance Oxford Fabric.