Living World Bamboo Nest for finches provides a comfortable and secure shelter for nesting pairs and their young. Made of natural bamboo, the cozy nest encourages natural breeding. The nest comes complete with a metal hook for easy installation on the bird cage wiring. For indoor use only. Size: 14 cm (5.5") x 11 cm (4.3") x 16 cm (6.25"). Nest opening: 5 cm x 7.5 cm (2" x 3").