【100% Natural Material】This cuttlefish bone is derived from squid, not made from squid bone powder! It contains no additives and is unbleached! Therefore, there may be some black spots, but these are harmless to your pet bird. You can use it with confidence! 【Beneficial for Birds】This bird-specific cuttlefish bone is rich in calcium and other minerals needed by birds, helping with bone formation and blood clotting, promoting overall bird health; the rough surface of the cuttlefish bone helps strengthen the beak. Birds can use the cuttlefish bone to maintain optimal beak condition. 【Suitable Size】Each piece of bird-specific cuttlefish bone is approximately 7-9 cm long, 4-5.5 cm wide, and weighs approximately 10-30 grams; this cuttlefish bone is ideal for small and medium-sized birds. You can also break the cuttlefish bone into pieces and put it in a bowl for turtles or snails to eat. 【Sufficient Bird Cuttlefish Bone】This package contains 20 pieces of bird cuttlefish bone, a sufficient amount to meet your bird's daily needs and supplement their mineral intake. Please note that the cuttlefish bone may break during transportation, but rest assured, the fragments are edible. [Suitable for most birds and reptiles] This cuttlebone is suitable for birds such as cockatiels, canaries, long-tailed parrots, mynas, parrots, lovebirds, and toucans, and can also be used for reptiles such as tortoises, sea turtles, and snails.