The Molten MS500 volleyball has a ultra soft, foam backed cover that makes it the ideal choice for indoor and outdoor recreational play. It serves great for the beach, and general back yard use. The Molten MS-500 is available in two of Molten"s most popular color combinations, NCAA Volleyball (shown), and the most popular USAV color, and great for schools, clubs, volleyball camps, and general recreational use. Regulation size and weight The ball of choice for camp, P.E., or recreation