Descriptions: Cuttlebones are an excellent calcium source for birds. The rough edible surface helps to trim the beaks of birds as well as provide something for your bird to chew on. The cuttlebones can also be cut into smaller pieces or ground into a powder and used as a nutritional supplement for all types of birds. Features: Provides natural calcium and minerals Derived from natural cuttlefish Natural surface keeps beaks trim and sharp Suitable for cockatiels Specification: Material: Cuttlefish bone Size: 5~20cm Quantity: 3~5 Pcs/bag Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 1 Bag x Cuttlefish Bone