The Perky-Pet Green Seed Ball Wild Bird Feeder features a unique mesh wire design and provides the ideal feeding area for a variety of clinging birds. This 1.12 lb seed capacity feeder is all metal and contains no plastic and no wood. This special design also keeps water from pooling in the container, keeping seed fresh longer. The feeder is low-maintenance, easy-to-clean and is sure to keep birds happy all season long.