NEEDS AIR... You will need to pump it up. Looking for a high-quality basketball ball that can be used both indoors and outdoors? Look no further than this AND1 ENIGMA basketball ball. Made of durable rubber, this size 7 ball is perfect for recreational use and comes in a stylish multicolor design. Whether you're playing on an indoor or outdoor court, this ball has you covered with its versatile playing surface categorization. And with its official size and regulation weight, you can be sure you're playing with a ball that will give you an edge on the court.