Spalding NBA Marble Rainbow Basketball, Size 7This basketball from the house of Spalding has been designed for true players. You can enjoy the same quality you are used to when you buy a Spalding, with added toughness and durability.Durable design: The basketball is made using proprietary Spalding technology. The outer surface is made of molded rubber while the bladder is butyl. The ball is designed for minimal skidding. The ball is therefore very strong and long lasting, making it good to use either indoors or outdoors. It's designed as a unisex basketball, suitable for both genders. Slick look: The attractive print on the ball surface make it a collector's item for all Spalding as well as team fans. The ball is made according to professional NBA basketball specifications and dimensions, so you'll look and feel like a professional during a game.Official size and weight as professional NBA basketballsCan be used for both indoors and outdoors quality rubber material used