TOPZEA Hot Tub Spa Cover Blanket, 16 Mil 7Ft x 7Ft Square Pool Thermal Bubble Covers Floating, Heavy Duty Heat Retaining Solar Blanket for Indoor Outdoor Hot Tub, Inground and Above Swimming Pool — Open-Box, 17% Off

TOPZEA 7 foot square hot tub thermal blanket helps retain the heat in and shorten the heating time, lessen heat loss and condensation inside the hot tub when you put it on the top of water, enjoy your spa time with less electricity

The thick solar pool blanket can also keep evaporation to a minimum in sunny day and absorb some heat from sun, water will still stays warm at night, bring the temperature back up slightly faster when heating

The size of the spa covers with bubbles is 7x 7 Feet/ 84x 84 inch, fits for most hot tubs, and easy to cut it into desired sizes and shapes by scissors, perfect for inflatable outdoor spa hot tub, bathtub, in-ground & above ground pool

The floating spa tub cover is made of premium PE, looks like bubble wrap but more durable, well-made, not easy to tear or damage, won't drop under the water, 16 mil cover maintains heat better than most of cover 8-12 mil thick on the market

The swimming pool cover is easy to place and remove, just lay it on the water in the sun to heat up, it also prevents leaves and debris from blowing in during windy, keeps the spa cleaner. Noticed: place the bubble side down against the water

TOPZEA 7Ft square hot tub thermal blanket helps retain the heat in and shorten the heating time, lessen heat loss and condensation inside the hot tub when you put it on the top of water, enjoy your spa time with less electricity. The thick solar pool blanket can also keep evaporation to a minimum in sunny day and absorb some heat from sun, water will still stays warm at night, bring the temperature back up slightly faster when heating. The size of the spa covers with bubbles is 7x 7 Feet/ 84x 84 inch, fits for most hot tubs, and easy to cut it into desired sizes and shapes by scissors, perfect for inflatable outdoor spa hot tub, bathtub, in-ground & above ground pool. The floating spa tub cover is made of premium PE, looks like bubble wrap but more durable, well-made, not easy to tear or damage, won't drop under the water, 16 mil cover maintains heat better than most of cover 8-12 mil thick on the market. The swimming pool cover is easy to place and remove, just lay it on the water in the sun to heat up, it also prevents leaves and debris from blowing in during windy, keeps the spa cleaner. Noticed: place the bubble side down against the water.