Full-Cover Thermal Hot Tub Cover for 78–90 Inch Square Spas, 91" × 91" × 23" Insulated Spa Cover with Elastic Tie-Down Straps, Wind & Weather Resistant Soft Hot Tub Cover (No Hard Cover Required)

Full-Cover Thermal Hot Tub Cover (Soft Insulated Design) Upgrade your spa setup with a full-coverage thermal hot tub cover designed to help retain heat and protect your square spa from the elements. Sized at 91" x 91" x 23", this cover is made to fit most 78"–90" square hot tubs, including tubs without a rigid hard cover. Secure Elastic Tie-Down Fit Reinforced elastic tie-down straps wrap underneath the hot tub to help keep the cover in place during windy or winter conditions. The slightly oversized coverage is intentional—allowing the cover to drape over smaller tubs while the elastic straps create a snug, secure fit. Thermal Insulation & Evaporation Reduction The insulated construction helps reduce heat loss and minimize water evaporation, supporting more consistent water temperature and improved energy efficiency during cooler seasons. Weather & Debris Protection Designed for outdoor use, this soft hot tub cover provides dependable protection from rain, snow, dust, and debris. It helps keep your spa cleaner between uses and reduces unwanted contaminants entering the water. Easy to Use & Store Lightweight and flexible for everyday convenience—simply place the cover over your spa and secure with the elastic straps. Easy to install, remove, fold, and store when not in use. SpecificationsType: Full-cover thermal spa cover (soft insulated design)Size: 91" x 91" x 23"Fit Range: 78"–90" square hot tubsFastening: Elastic tie-down straps (wrap-under secure fit)Use: Heat retention, evaporation reduction, outdoor protectionTip: Measure your hot tub’s outer dimensions before ordering for the best fit.

• Secure Full-Cover Design with Elastic Tie-Down Straps - Designed as a full-coverage thermal spa cover, this model features reinforced elastic tie-down straps that wrap securely underneath the hot tub, keeping the cover firmly in place even in strong wind or winter conditions.
• Fits 78"–90" Square Hot Tubs with Confidence - Sized at 91" × 91" × 23", this cover is engineered to fit most square hot tubs from 78" to 90". Slightly oversized coverage is intentional—allowing the elastic straps to create a snug, secure fit on smaller tubs while maximizing insulation.
• Thermal Insulation to Reduce Heat Loss & Evaporation - The insulated construction helps trap heat and minimize water evaporation, reducing heat loss during cold weather and lowering energy consumption—ideal for year-round spa use.
• Weather-Resistant Soft Cover – No Hard Cover Needed - Built for outdoor use, this soft hot tub cover protects against rain, snow, dust, and debris. A practical alternative to bulky rigid spa covers, especially for spas without an original hard cover.
• Soft-Cover Design for Insulation & Protection - This product is designed for thermal insulation and environmental protection. Soft construction offers flexibility and convenience compared to rigid covers.