BULLETPROOF PLASTIC - The tough plastic top cover is bullet-proof and extra tough. It is virtually indestructible, and it can withstand repeated play sessions. COTTON ROPE - The soft cotton rope material that hangs from the bottom is the perfect texture for a bird's beak. Your pet will love to chew on this fun toy. REPLACEABLE TENTACLES - There is a recessed screw underneath the jellyfish. You can open it up to replace the rope or refill with colored sisal, leather strips, or curly laces. ATTRACTIVE COLORING - The see-through blue plastic housing is sure to attract curious birds. Your feathered friend will be extremely eager to check out the toy. BIRD-SAFE - This toy is completely safe for birds, making it a perfect addition to your birdcage. You can easily hang it in the cage using the quick link attachment. The 0042 Small Jellyfish will provide fun and excitement for any small to medium sized bird. It is great for curious birds who are looking for a pleasant texture to chew upon. The soft cotton rope material that dangles below is ideal for a bird's beak. You can even replace the rope if needed. You can also use other materials like natural or colored sisal, leather strips, or even some laces. Birds are attracted to the tough colored plastic that represents the top of the jellyfish. This plastic is extra strong and virtually indestructible. Your feathered friend will certainly be able to enjoy this amusing toy for repeated play sessions. The toy is also fantastic for preening, which is a natural bird behavior. This toy measures about 10 inches long and 4 inches wide. It comes with a quick link attachment for easy placement inside the birdcage.