Ensure the safety and longevity of your birdhouses with these protective rings. Designed to fit around the entrance holes of parrot breeding boxes, they stop damage caused by birds. The materials and sturdy construction make them ideal for outdoor use, providing reliable protection and peace of mind for bird owners. Features -Color:Silver -Material:Aluminum -Size:9.00X9.00X0.50cm/3.54X3.54X0.20in -Inner diameter: 5.5cm/ 2.16in -Good material: these protective rings are designed to withstand wear and tear, ensuring use -Biteresistant: the antibite design effectively stops parrots from damaging the box, extending its service life -Multiple uses: suitable for use as a bird house hole protector, parrot nesting house ring, or bird breeding box metal protector -Secure breeding space: provides and comfortable environment for parrots to breed, ensuring their wellbeing -Quick installation: easy to install without the need for additional tools, making process quick Package list: 6 x parrot house hole protectors