Quality Material: Made up of quality 420D oxford, it is UV resistant, which is designed to resist cracking, fading or scratching while providing superior protection. Applicable size of the tub cover: designed with a contoured shape and a sleek design for a custom fit. We have a variety of sizes for the Round spa covers, suitable for most Round tubs on the market. Please measure your spa before purchasing Full protection round tub: spa cover is made for all weather, is made of 420D Oxford Fabric, 100% UV resistant for any coating needs . It won’t creak even in cold weather.An extra strap is included to better secure the tub cover in windy and inclement weather Easy to clean: This cover is extremely easy to clean, You can hose it down with water and let it dry in the sun. Dry the spa cover in the sun for the next use. Easy to store: The pool cover is very flexible and can be folded into a small size, saving storage space and being easy to store.