AnimaTwist 4-in-1 Dog Chew Toy and Treat Dispenser This premier dog toy converts into four different configurations to provide your dog with the mental and physical stimulation she needs on a daily basis. You need tough dog toys that can take a lot of chomping. The hard pieces are made from durable 100% non-toxic nylon. The Ring-Around-The-Roper-Capper includes 50% polyester/50% cotton dental rope. The rope is dyed with a natural, color-safe, water based, non-toxic dye. Dont want your dog chewing on rope? No problem! Replace the rope capper with the included Classic Capper. Looking for USA made dog treats? Your AnimaTwist Classic Set comes with its first AnimaChew to insert in your AnimaTwist. AnimaChews are made in the USA and does not contain grain, gluten, lactose, preservatives or binding agents. Refills can be purchased separately OR you can refill with the highly rated Himalayan Dog Chews, also sold separately. Your AnimaTwist Classic Set includes the four (4) interchangeable AnimaTwist pieces and one (1) AnimaChew dog treat. Your dog will thank you!