KEY DETAILS Genuine Polywood® lumber is made of high-density polyethylene (HDPE) that's not prone to splinter, crack, chip, peel or rot. Covered in a Vintage Sahara finish. All materials are rigorously tested to withstand extreme weather conditions. ColorStay™ technology locks in lasting color and fade resistance. Infinitely recyclable lumber sustainably made from recycled and reusable plastics. 18-8 marine-grade quality stainless steel fasteners are enhanced with a Xylan coating to resist corrosion. Imported.