Stimulate your pet with the interactive Busy Buddy Bouncy Bone toys. The design of the durable nylon bone & rubber ball provide dogs with an extended chewing experience - the rawhide treat rings last longer than giving treats alone & dogs are stimulated to chew the toy well after the irresistible rawhide treats are gone. Busy Buddy Bouncy Bone unscrews to load treats and clean. Comes packed with 6 Size A rawhide treat refills. Additional treat rings sold separately. Small 4"L size is great for small dogs up to 10 lbs. such as Pomeranians, Yorkies, Chihuahuas, etc.