The material of these solar blanket tapes is strong nylon. You can keep the connection tight and make sure the connection is tight. You don't have to worry about it coming off. High-quality materials make it safe and durable. Easy to install, do not waste time installation, installation is very simple. vEach contains 8 belts (6 feet long x 1 inch wide x 0.05 inch thick), Velcro fastener, plate and buckle. Everything you need to install the solar cover on the reel. Suitable for swimming pool covers with a width of 10 to 24 feet or more and a thickness of 8 mm to 16 mm. The kit includes a solar reel tube and a holder for the pool. Product description Description: Product volume: 25.0 cm x 15.0 cm x 5.0 cm. Colour: black and white. Box contents: Roll tape for solar cover x 1.