Ware Carnival Crops Chew Rings Small Animal Toys, Pack of 6 Toys, Large Pack of 6 safe, natural chew toys for small pets Bright colors come from USDA food safe coloring Encourages Encourages activity to keep pets entertained and happyExercise Help promote small animals' dental health by encouraging chewing Provides textured tooth trimming for guinea pigs, hamsters, bunnies, chinchillas, and other small pets