KONG Reflex Balls durable, flexible bounce comes from the same cutting-edge material as elite running shoe soles? so rugged its guaranteed to last through tough fetching. Bite-defying self-healing properties repair toothmarks for long-lasting, instinct-satisfying interactive fun. Floats for water play and stands up to the elements for seasons of fetching. Durable, flexible bounce from the same cutting-edge material as elite running shoe soles. Rugged its guaranteed to last through tough tugging and fetching. Bite-defying self-healing properties repair toothmarks for long-lasting, instinct-satisfying fun. Stretchy strap for dynamic tugging. Floats for water play and stands up to the elements for seasons of action.