Crafted from high - quality 210D Oxford cloth, this spa bathtub cover is highly durable and water - resistant. It can effectively protect your spa bathtub from dust, dirt, and water splashes, ensuring long - term use. The black color not only adds a touch of elegance but also helps to hide stains, maintaining a clean and sleek appearance.The round outdoor whirlpool cover is made of a robust 210D Oxford fabric material, ensures good ventilation and provides great protection from sun and rain.The material is so heavy that it can withstand even strong gusts of wind.The protective cover holds up great, even in windy and stormy weather.The round whirlpool cover withstood an extreme endurance test with hail, storms and a hell of a lot of water and survived with flying colors: no water came through, not a single crack.The cover can be easily pulled over the whirlpool.The protective cover stays in place even in windy conditions.The winter can come!