A beach ball is an inflatable ball for beach and water games. Their large size ball and light weight take little effort to propel; they travel very slowly and generally must be caught with two hands, and are usually used for recreation and relaxation. The beach ball's invention is usually credited to Jonathon DeLonge in California in 1938. Beach balls range from hand-sized to over 3 feet (1 m) across or bigger. They generally have a set of soft plastic panels, with two circular end panels, one with an oral inflation valve, intended to be inflated by mouth or pump. A common design is vertical solid colored stripes alternating with white stripes. Some are printed with advertisements or company slogans, or as globes. Beach ball sports include water polo and volleyball. While they are much less expensive than the balls used in professional sports, they are also much less durable as they are made of soft plastic.
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