Kaytee Nut Knot Nibbler for Small Animals Made of all natural wood and contains almond nut Encourages healthy playing and chewing For rabbits, guinea pigs, hamsters, gerbils, chinchillas, pet rats, or other small animals 4-Inch long, 4-inch wide, 3-1/4-inch high Safe wood chew toy satisfies your pets need to chew and gnaw