THERMAL HOT TUB COVER: Enhance the energy efficiency of your hot tub with the Lay‑Z‑Spa Thermal Hot Tub Cover. This insulating accessory helps reduce energy consumption and allows you to enjoy your Lay‑Z‑Spa throughout the year. IMPROVE INSULATION: The cover provides a double layer of cotton thermal insulation, treated to resist mildew, making your inflatable hot tub more energy efficient. It enhances heat retention and allows for faster water heating. WATER REPELLENT AND UV RESISTANT: Constructed from durable 3‑ply UV resistant and water repellent Duraplus material, the covers have double‑stitched seams for strength and impermeability. UNIVERSAL FIT: Designed to fit all round inflatable hot tubs up to 180cm in diameter, the cover is easy to apply and remove. Equipped with safety lock clips and adjustable straps, it stays secure in various weather conditions and ensures effective heat retention. REMOVEABLE ZIPPER DOOR: The removable section of the thermal cover allows use on hot tubs with or without external pumps.