Beautiful, long-lasting Ultrawood adds years of maintenance-free life to your spa. Maintenance-free cabinetry will not rot, rust, warp, deteriorate or require replacement. 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, fade-resistant and stain-resistant Ultrawood cabinet requires no painting or staining. Easily clean up these cabinets with soap and water, if necessary.