This product is a set of 6 new large bird finch bamboo nesting nests, each measuring 5 1/2" in diameter and 6" in height. These nests are made of bamboo and are designed for birds to build their nests in. The country of origin for these nesting nests is China. This product is a practical and sustainable option for pet bird owners looking to provide their feathered friends with a comfortable and safe place to nest and raise their young.