1) 100% natural sundried cuttlebone for birds The squid bone is 100% natural and sundried. Birds can eat or grind it, providing calcium and other minerals from the inner shell. 2) Wide compatibility Suitable for most pet birds. for parrots, parakeets, carders, lovebirds, and other small to medium birds. Designed with a reservoir to keep crumbs from wasting and to reduce mess. 3) Easy to install Mounting holes are provided for screws. Suitable as a cage accessory and for pole mounting. Light, yet firm and stable. 4) and durability Designed to store cuttlebone and bird treats. Made from quality, solid, durable materials for long service life. Use scenarios In a standard bird cage: install on the cage wall or bar using the screw holes to provide a ready calcium source that the bird can access daily. On a perch or cage pole: attach to a pole inside the cage for convenient chewing and beak maintenance without clutter. For better waste management: the reservoir design helps containment of crumbs, reducing mess and waste while the bird enjoys the .