Cuttlebone, also known as cuttlefish bone, is a hard, brittle internal structure found in all members of the family Sepiidae, commonly known as cuttlefish. Cuttlebone material, safe for parrot, bird to chew and play. Help your bird get the extra nutrition he needs, while keeping his beak neat and tidy. Exercise pet parrot sensitivity as well during playing with it. Helps to trim and provides calcium, iron and other trace minerals.