3 layers of water-repellent materials: the swimming pool solar roll cover is made of 210D Oxford fabric, which is coated with silver and water-repellent medium, three layers of waterproof material, sewn with advanced double seams. Available in a variety of sizes: the contoured shape of the pool cover reel protector covers your solar cover easily. There are three sizes to choose from, 16 feet, 18 feet, 20 feet, with an elegant black piping design. Sophisticated design: the pool solar reel cover is equipped with a closure and a drawstring that can be freely adjusted according to the size of the roll and offers an excellent fit and all-weather protection. The cleverly designed buckle at the bottom keeps the lid secure and prevents it from blowing away. Easy to use and clean: the solar pool cover is easy to push and provides a ring handle for easy adjustment or removal. You only need to wipe the cover with a damp cloth if necessary. When not in use, it can be folded to save space. Can be used in any weather: solar reel cover for swimming pool protects the pool from snow and frost in winter and offers sun protection in summer. Helps extend the life of the solar cover. It can be used to protect the solar cover at any time of year. Name: Swimming pool solar roller cover Size: 16 feet, 18 feet, 20 feet. Material: 210D oxford fabric with silver coating on the back, water resistant Colour: black. Packaging: 210D drawstring bag 18 feet: approx. 0.72 kg. Box contents:1 x swimming pool solar roller cover.1 x drawstring bag (excluding other picture displays).