The Nut Knot Nibbler is a ball of fun for small animals. Pets will nibble and gnaw this wooden chew toy to reach an all natural surprise inside – a real almond nut! Nut Knot Nibbler is made from all natural wood and safe vegatable food colors making it a perfect chew toy for rabbits guinea pigs hamsters gerbils chinchillas pet rats and other critters! Actual size is 4in long 4in wide 3.25in high.