Description Enjoy a new twist on a classic toy! The Jack is a challenging, durable, refillable treat holding toy. The durable nylon and rubber Jack holds Busy Buddy natural rawhide and chicken-flavored dental treat ring refills for longer lasting playtime. Watch your dog chew, bite, and twist the Jack to figure out how to get the delicious treats in the middle. Treat rings can be placed in multiple locations to increase the challenge over time. Features Durable nylon and rubber construction Includes 4 Busy Buddy natural rawhide or chicken-flavored dental treat ring refills Additional rawhide and chicken flavored dental treat ring refills available separately Treats made in the USA! Dishwasher safe, top rack only More Information For starters: Unscrew the Jack and slip off all pieces except for the last green nub ring. Slide on a rawhide or dental ring onto either side of the purple center knobs. Slide on the other green nub ring. Screw the white tip back onto the toy to reassemble the Jack. ; For more of a challenge: Unscrew the Jack and slip off all pieces. Slide on a ring and replace the following pieces in order: green nub ring, purple center knobs, green nub ring. Slide on another ring. Screw the white tip back onto the toy to reassemble the Jack. Toy Sizing Chart Toy Size Pet Size Sample Breeds Small 8-20 pounds Yorkie, Jack Russell, Pug Medium 20-50 pounds Beagle, Spaniel, Border Collie Large Over 50 pounds Retriever, Shepherd, Boxer Busy Buddy Jack Large. I do not receive this product or any others in exchange for this article, I do get a commission for readers clicking the buy now links which helps to differ the cost of hosting this blog and I sincerely hope this article site helps you with your search for Vet Approved Rx products.