sport volleyballColor green and blackMaterial VinylItem diameter 9 inchesPVCA fun and unique pool ball perfect for water and diving games in a pool, lake or pond. Due to its near-neutral buoyancy, players can dribble, kick, bounce and pass from 10 feet underwater Unlike volleyball or other types of water or inflatable balls, the ball stays underwater.EASY TO FILL AND PLAY - Unlike other inflatable toys, this ball has to be filled with water. To fill the watermelon balls, you must attach the included hose adapter to your garden hose and follow the included detailed instructions on how to fill the watermelon balls to ensure the balls float properly. When placed in water, the ball sinks and then slowly rises to the surface when properly floated.More than just a pool or diving toy - watermelon ball becomes a high-intensity sport in large groups Combining the components of water football, basketball and rugby, teams of players compete to score points by placing watermelon balls on the opposing team's pool deck. No target, hoops and net items requiredGreat for pool parties - it's a ball for all ages It will keep the child away from you. Kids, teens and adults can enjoy watermelon balls at any pool party with family and friends.Swimming toys that encourage exercise and active play in the pool - In today's digital world, getting kids and teens outdoors can be a challenge. Watermelon balls provide them with a very fun pool activity that they will always look forward to hanging out with.