Exotic Nutrition's Barbell with Rings toy is made from all natural wood - perfect for play and fun time. Critters will nudge, nibble, play and roll helping relieve cage boredom. Suggested for rabbits, guinea pigs, prairie dogs, chinchillas, degus, rats, hedgehogs and other small animals. Exact product color and design may vary from pictured product. This cage accessory is just one of many enriching pet products from the Jungle Explorer toy collection.