This suet feeder has a movable roof so filling the feeder is very easy. Watch the woodpeckers cling upside down to eat the suet. Starlings cannot hang upside down for very long so it deters their activity. The extra wide roof protects the suet and the woodpeckers from the weather.5/8" Poly-lumber made from recycled plastic and milk jugs. Lifetime guarantee to never crack, split or fade. Taupe base w/green roof. Image Courtesy of Birds Choice