: Measure the widest points of the spa shell, not the old cover, as old covers can warp over time.
: Look for a cover that is thicker in the middle and tapers toward the edges. This allows rainwater to run off rather than pooling in the center. 2. Prioritize Material and Insulation buy spa cover
The quality of materials directly impacts how well the cover handles outdoor life. : Measure the widest points of the spa