Usage Tips:Quality material: Oxford 210D fabric spa cover, waterproof and UV resistant, double sewn seam, protects your outdoor spa from sun, rain, snow, wind, dust and dirt Waterproof and UV resistant: the spa cover with waterproof and UV resistant coating prevents the spa from exposing itself to the sun and gives your spa an always new look. MULTIPLE size: we have 8 sizes for square spa covers, suitable for most square baths on the market. Please measure your spa before buying Cord design: the sturdy drawstring allows for a tight fit and easier, especially in strong wind and severe weather. Easy to clean and store: simply wipe with a damp cloth and dry in the sun. A storage bag will come with the packaging for easy storage when not in use