Lay-Z-Spa 1.96m Hot Tub Round Thermal Cover - keep the heat in and cut down on costs. Keep the heat in, save energy and make your hot tub up to 40% more cost-efficient with the Lay-Z-Spa EnergySense Thermal Hot Tub Cover. The thermal cover offers a double layer of insulation making inflatable hot tubs more energy efficient as it retains more heat and allows water to heat much quicker . It is made from ultra-strong 3-ply UV resistant and water repellent Duraplus material (the same as Lay-Z-Spa hot tubs) and includes double-stitched seams making it stronger and more impermeable. The thermal cover reduces hot tub heat loss with a thick internal layer of insulating cotton and an anti-mildew treated interior . Easy to put on and easy to take off, it has safety lock clips on an adjustable strap for a tightly secured fit meaning it won't budge, even in windy conditions, and provides a snug fit essential for heat retention. It includes a zippered door for a built-in pump, and it can be removed for external pumps. The Lay-Z-Spa Thermal Hot Tub Cover is compatible with round hot tubs up to 196cm x 71cm (77" x 28") including the following Lay-Z-Spa hot tubs: Hollywood AirJet Honolulu AirJet Milan AirJet Plus New York AirJet Palm Springs AirJet Paris AirJet Rio AirJet St. Tropez AirJet Vegas AirJet Makes your inflatable hot tub up to 40% more energy-efficient Suitable for all round inflatable hot tubs up to 196cm Improves insulation, reduces heat loss and speeds up heating up time Completely water repellent & UV resistant Duraplus™ material Removable zippered door for external pumps & adjustable straps