This cover is much thicker than my old one. I measured the thickness with a digital caliper and it truly is 16 mil. I expect it will last 6 seasons since I only cover the pool in the spring and fall when the weather is cool, then store it the remaining of the year. One big negative, the 16 mil thickness makes this cover stiff and heavy. It may be difficult for one person to pull it on and off a large pool. Folding it will also be a challenge. Best to use a pool cover reel to roll it up. Or, cut the cover into 2 or 3 smaller sections to make it more manageable.