Specifications:

• Efficient Heat Retention: The black absorbs heat better than white, effectively reducing heat loss and keeping your hot tub water warmer for longer, saving energy and improving bath comfort.
• Proper Sizes: The square hot tub cover measures 4.2 Ft, perfect for most of our spa hot tub range, and can be easily covered without worrying about the size mismatch. Note:Inflation To At Least 95%, Otherwise The Dimension May Be Small.
• Filtering Function: Energy saving lid for hot tub can effectively keep out wildlife and any lingering debris. It can also play a role in preventing dust, reducing condensation and freezing on the edge. You can enjoy a cleaner and warmer bath.
• Simple to Inflate: Since this hot tub cover has been manufactured to be quick and simple to inflate, it can be used within minutes to keep your hot tub clean and warm. The handle design helps you easier use after inflating.
• High quality material: Our energy saving lid is made of high quality PVC material, stronger heat insulation, safe,waterproof, sealing and stretchy. Inflatable design is easy to store and carry, does not take up space, suitable for outdoor or home use.

4.2 Ft Black Inflatable Hot Tub Cover, Energy Saving lid for Square Hot Tub, Foldable Protective Rain Overflow Cover with Handle for Outdoor Inflatable Hot Tubs