Circumference: 30.5 - 31.5 in./77.47 - 80.01 cm.
Weight: 6.5 - 7.2 oz./184.27 - 204.12 g
Cover: Composite Leather
The Primary® is 20% larger than a regulation sized volleyball. Use of a light-weight yet durable composite cover allows younger players to learn the basics at a slower, softer pace.