Nature's Perches by Living World® are natural-looking perches that replicate a bird's natural environment and add a realistic aspect to bird cages. The perches have multiple branches for birds to perch on comfortably and securely. Made of polyresin, they are safe to chew on and easy to clean—simply wash and hang. Medium. Other sizes available: 81540, Living World® Nature's Perches, Small 81542, Living World® Nature's Perches, Large