Whether it's satisfying a chew session, fetch + retrieval or a game of tug, GURU's Tennis Max Stick takes the classic tennis toy to the next level! Featuring a safer exterior that is fused to an extremely durable thermoplastic rubber outer cage that offers a slobber-resistant, improved grip. A squeaking noise triggers audible cues to stimulate a dog's sensory system and enhance play. The Tennis Max Stick is made with Chew Pro; GURU's ultra-durable, custom, non-toxic thermoplastic rubber formulated specifically for tough, yet safe, chew sessions and long-lasting play.