16 Mil Solar Hot Tub Spa Bubble Cover - 7.1' x 7.1' (Rectangular), Heavy-Duty Square Thermal Blanket Retains Heat, Reduces Evaporation & Cuts Energy Costs for Spa & Hot Tub Use

The 16 Mil Solar Hot Tub Spa Bubble Cover is a heavy-duty square thermal blanket designed to retain heat, reduce evaporation by up to 97%, and cut energy costs for spa and hot tub use. Made with 16-mil thick polyethylene and reinforced with 5% protectant agent and 3% HALS light stabilizer, this solar cover provides exceptional resistance with UPF 50+ protection. Its dense bubble design captures and stores solar energy, keeping your pool warm even when not in use. The 9mm bubbles offer excellent insulation and a snug fit, helping maintain water temperature and prevent excessive heat and moisture loss during heating. Simply place the cover on top of your hot tub to significantly reduce heating time and save on electricity costs. When not in use, it helps keep dust out and retains heat effectively.