Now there’s a ball launcher for small dogs with this scaled-down version of the Chuckit! Ball Launcher. Owners of small dogs can throw the ball over and over again and never have to touch a slobbery ball! This ball launcher is 201⁄2" long and uses a 2" mini tennis ball. For supervised play only. Do not use indoors or aim this product directly at people or animals. Ball may travel in unanticipated directions.