Spa Depot Thermo-Float 16-mil Hot Tub Bubble Cover Floating Spa Blanket

Heavy-duty for longer service life – Thick 16 mil film (16/1000″) Reduces evaporation heat loss up to 95% Protects spa cover from water absorption Surface coverage up to 7’x7′ (84″x84″) – trim-to-fit Genuine ThermoFloat brand by Spa Depot Heavier-duty 16 mil. (16/1000″) film thickness for long life. ThermoFloat Spa Blanket saves energy expense, reduces hot tub cover water absorption, shortens heating time. Acts as a debris shield, and solar blanket on in-ground spas. Reduces evaporation heat loss up to 95%. Easy to trim with scissors. Set with bubble-side down for maximum effectiveness and heat retention.