SPA and Hot Tub Bubble Cover, 12mil 7x7 Foot Square Hot Tub Thermal Blanket,Insulating Blanket for Outdoor Hot Tubs,Blue. Tougher Than a Cowboy Boot! Rain, UV rays, Bad weather?Bring it on!High-strength anti-aging PE materials laugh at weather tantrums.The 12MIL gold thickness is both effective and cost-effective, and will last several years longer than other frailty covers - your hot tub's forever wingman.
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