The JW® Pet Cuttlebone Holder is the first of its kind to meet your pet bird's needs. No more difficult wires. The simple screw-on plastic bolt-on holder can be used easily on vertical or horizontal barred cages and will hold any type of cuttlebone. It holds cuttlebones in place with a plastic barrier to ensure that it doesn't move. An additional piece of plastic protruding from the holder makes the perfect perch for your bird to use as they enjoy their meal and includes a pocket to catch debris and fragments from falling outside of the cage to make cleaning up easier. Cuttlebones are the simplest way to give birds the trace minerals and calcium they need to keep their beaks strong and healthy. Holds all types of cuttlebones. Great for parakeets; canaries; cockatiels; budgies; and finches. Dishwasher safe birdcage accessory.Helps keep cuttlebone debris and fragments from falling outside the cageHolds all cuttlebonesDesigned for a bird's well-beingSuitable for parakeets, canaries, cockatiels and finchesEasy to use and dishwasher safe