Head 2015 Core Tennis Backpack Lightweight tennis backpack to carry a single racquet and some tennis accessories such as balls, extra shirt, water bottle, etc. Ideal for players that don't want to carry too many items to the court. One main compartment and one smaller compartment. Mesh compartments on the side to hold water bottle. Dimensions: 18 inches x 12.5 inches x 7 inches Adjustable, padded shoulder straps Padded racquet compartment keeps racquet protected when bringing your gear to court. Regular backpacks do not have this padded compartment.