The Invincible Chains Large Triple is made up of three durable rings composed of natural resilient rubber. JWs patented molding process links each ring together with no seams and no glue to produce a strong long lasting toy. Tug, toss, fetch and chew the Invincible Chain will provide hours of fun for your dog. Excellent for medium, large and giant breed dogs.RUBBER TUG & CHEW TOY: This interactive tug of war toy for dogs satisfies puppys need for chewing. Features no seams to stand up to large dogs that love to tug.DURABLE TOY FOR DOGS: T