These protective rings are great for parrot breeding boxes, offering a simple yet effective solution to stop damage to the entrance holes. The construction ensures they can withstand the rigors of outdoor use, while the easy installation process makes them a convenient choice for birdhouse maintenance. Features - Color: Silver -Material:Aluminum - Size: 11.20X11.20X0.50cm/4.40X4.40X0.20in -Inner diameter: 7.5cm/ 2.95in -Fine and reusable: these protective rings are designed to last and can be reused multiple times -Antibite protection: the special design stops parrots from biting the box, significantly extending its lifespan -Versatile use: ideal for use as a bird house hole protector, parrot nesting house ring, or bird breeding box accessory -Comfortable environment: ensures and comfortable breeding space for parrots, promoting their health and wellbeing -Easy to install: quick and easy installation process that does not require any extra tools, making it convenient for users Package list: 6 x parrot house hole protectors