Prevue Pet Products Twisting Sticks Bird Toy contains All Natural Coconut Fibers to satisfy your bird's natural instincts and provides great beak exercise for your bird. Natural dehydrated and sterilized coconut fiber is perfect for plucking, preening, nesting, and foraging. Tropical Teasers bird toys may also include additional materials such as rattan, feathers, shells, cotton rope, and non-toxic plastic beads for beak and tongue exercise. The handmade toy connects easily to your cage with quick-link attachment.