If you want to attract woodpeckers try this tail-prop suet feeder from Backyard Nature Products. This product is made from recycled plastic. Specifically from polylumber, a state of the art product consisting of post-consumer plastic waste like milk bottles. Up to 40 milk bottles are recycled into one feeder. These feeders have the following features:
constructed from 5/8" recycled plastic material
Stainless Steel screws and aluminum hinges
Will not fade, crack, split, chip or rot like wood