Prevue Pet Products Cosmic Crunch toys are made from 100% natural digestible ground calcium with real sea shells! Your bird will in shave away in the toys keeping beaks and nails trimmed while lasting longer than other types of toys. Made with 100% FD & C colors leather strips and glow-in-the-dark beads (effect lasts for 20 minutes) this toy connects easily to your cage with quick-link attachment. Our Cosmic Crunch Comet toy is 13in Long and 3in Wide ideal for Medium and Large birds.