The world is going green! National audubon going green recycled series help conserve the environment. These products are made from recycled plastic (contains 90% recycled plastic). Won t absorb water, thus feeder or house will not harbor mold or bacteria and ensures a healthier environment for birds. Hand-crafted of zinc chromate screws and made in the usa! This recycled upside down suet feeder allows woodpeckers and other songbirds to feed while keeping the grackles away. Size is 3 Inch. Dimensions are 7.4 X 8 X 3.3 UPC Code = 715038308386