Made from a rugged and reliable 8″ uncoated foam, these high density and low bounce volleyballs are excellent for training purposes. Lightweight and colorful, the Rhino Skin Foam Volleyball Balls are also a smart choice for indoor training purposes. The Rhino Skin Foam Volleyball Balls are sold in a six-pack and includes one of each of the following colors: blue, green orange, purple, red and yellow. Expect many years of quality service from the Rhino Skin Foam Volleyball Balls.