Circumference: 30.5 - 31.5 in./77.47 - 80.01 cm.
Weight: 8.2 - 8.8 oz./232.47 - 249.48 g
Cover: Foam-Backed Nylon Fabric
Bladder: Butyl
BIG Soft-V™ is 20% larger than a regulation size volleyball and has a durable nylon fabric cover with soft foam backing to make it perfect for the beginner. Recommended for indoor play.