JW® Invincible Chains® provides your dog with the rubber texture he loves to chew on. Solid; no glue construction stands up to the abuse. A terrific tug as well - easy to hold on to while your dog tugs with all his or her might. Enjoy a game of toss and tug with this unique dog toy. Features include rubber rings with rope. Durable; and great for interactive play; this JW dog toy is ideal for tug and fetch. Ships in assorted colors.