The Tachikara Rubber Playground Ball is a soft yet hardy toy for outdoor fun. It uses 2-ply construction for resilience and long-lasting use. This 10" playground ball also features protection against wear from ozone, weather and oxidation. It's made to hold air for longer to deliver a consistent, resilient bounce. The Tachikara Rubber Playground Ball features a bright, highly visible exterior to make it easy to keep track of outdoors.