These replacement gnawhide rings are refills used to fit the Busy Buddy Bouncy Bones.
There are 12 Cornstarch Washers (Cornstarch, Rice Starch, Human Grade Glycerin, Non-Animal Based Flavor) and 12 Rawhide Washers (Rawhide, Human Grade Glycerin, Non-Animal Based Flavor). These rings designed to fit MED/LG & LARGE bouncy bones. Treats last 10 times longer with Bouncy Bone toy.
The bouncy buddy bone and refillable treats are GREAT for the strong chewers!! Highly recommended for large breed puppies and full grown adult large breeds that love to chew. Durable toy that lasts forever! Only toy I've had longer than a month with my large labs and rottie mix.