QUALITY MATERIAL: The hot tub cover made of 190T waterproof polyester fabric, it is UV resistant, strong enough to prevent rain, hail, snow, dust, leaves and birds from falling MULTIPLE SIZES: We have 7 sizes for square hot tub covers, suitable for most square tubs on the market. Please measure your hot tub before purchasing UV RESISTANT: The hot tub cover is 100% UV resistant to prevent the hot tub from exposing to the sun and makes your hot tub always look new DRAWSTRING DESIGN: The drawstring sewn on the entire bottom hem, the drawstring allows for adjustment for a tight and easier fit, especially in strong winds and severe weather EASY TO CLEAN AND STORAGE: Simply wipe with a damp cloth and dry it in the sun. A storage bag will come with the package for your easy storage when not in use Features: The outdoor spa cover made of 190T polyester coated silver fabric can protect your spa from dirt, dust, rain, hail, bird droppings and ultraviolet rays. The harness with hem can be