Gigwi Jumball Tennis Ball Introducing Gigwi Kick Or Throw Jumball Which Allows You To Play For Hours Of Interactive And Exercising Fun. The Jumballâ Is Made From Non-Toxic Thermoplastic Rubber With Tennis Ball Style Felt. The Fun Tennis Ball Design Has Easy-To-Carry Handles To Allow Your Dog To Fetch To Their Hearts Content! Make This Your Dogs Favourite For Outdoor Games And Playtime In The Park.