.The color of the lumber as well as a UV protectant runs continuously throughout each piece and it will NOT rot, warp, crack, splinter, or support bacterial growth. POLYWOOD material is also resistant to stains, corrosives substances, salt spray, and other environmental stresses. You can easily clean your POLYWOOD Furniture with soap and water and rest assured there will be no waterproofing, painting, staining or similar maintenance when used in outdoor applications. For a deeper clean, you can mix 1/3 bleach with 2/3 water and wipe down your furniture with a rag, sponge or bristle brush.Backed by an impressive 20-year warranty, all POLYWOOD pieces are proudly made in the USA and are available in a variety of lumber colors to effortlessly pair with the existing design of your outdoor space for years to come!