Just unscrew the Bouncy Bone and slip off the rubber ball. Slide a gnawhide ring on either side of the ball screw the bone back together and let the fun begin! Contains both Rawhide Washers - (Human grade Glycerin, Non-Animal Based Flavor) and Cornstarch Washers-(Cornstarch, Rice Starch, Human Grade Glycerin, Wheat Gluten, Non-Animal Based Bacon Flavor. Refills sold separately. Available in the following sizes:
Small - measures 3 1/2 in
Medium - measures 6 in
Large - measures 9 in