Starmark Pet Products Starmark utilizes the expertise of pet behavior specialists to design products that nurture natural inclinations. This includes many different types of treats, training aids and toys. The products that are brought forth are useful and unique. Starmark Everlasting Fun Ball On a Rope Medium/Large This popular toy is Starmarks take on two games in one. This very lightweight ball will bounce like any other ball, floats like any other ball, but this ball is indestructible. It also has durable nylon rope running through it as part of its design for those dogs that cant resist a game of tug-of-war. The ball can also be filled up with his favorite treats! Benefits Ball will not pop or break Knotted nylon rope Floats and bounces Treats can be put inside.