The durable Nobbly Nubbly gives your dog multiple treat options for longer lasting playtime. Your dog can chew on the heavy-duty nylon nobs or the softer, compressible rubber center. Attach Busy Buddy treat rings to the toy or fill the grooves with your dog’s favorite spreadable treat, such as peanut butter or cheese. The toy is made of durable nylon and vanilla-scented rubber. Perfect for dogs who like to chew and rewards them for appropriate chewing with their favorite treat. Package come with 4 "Size A" rawhide refill rings. Approximately 3.5".
To order more refill rings please see item number 36446b, PetSafe Busy Buddy Rawhide Ring Refills