This basketball is made of High Quality leather material. COSCO provided good leather engraving which will provide you perfect shape for good gripping action. It is official shape and size basketball specially designed for advance basketball players. Good Shape and Size: COSCO Championship size 7 basketball is a made of ultifilament nylon. This type of material gives best shape retention ability during long use in game. Composite Leather material gives durability to ball. Overall, this Basketball is a good option for advance basketball player which give good shape retention , perfect air , it outer surface helps in proper gripping which will helps in good bounce and good trajectories.