Beautiful, long-lasting Grandwood adds years of maintenance-free life to your spa. Maintenance-free cabinetry will not rot, rust, warp or deteriorate. Panels are made of a durable, synthetic material that can withstand the harshest weather conditions, including snow, humidity, rain, sleet, and heat. This all-weather durable, fade-resistant and stain-resistant Grandwood cabinet requires no painting or staining. These cabinets are easy to clean with soap and water.