Starmark Edible Treat Rings Chicken FlavorStarmark Treats are made from natural ingredients without plastics or polymers and are edible and digestible with an irresistible taste. These treats can be eaten as a snack, or use them inside the Starmark Mental Stimulation toys to create hours of mental and physical stimulation. Treat Rings are held in place by inner rod and must be chewed to be removed Treats also fit sideways into toys between toy wall and inner rod Works with all Treat Ringer