Pool owners, this is one of those underrated accessories that makes a huge difference in your pool's longevity and comfort. This 10-foot round pool liner pad is made from tough fibers at 8.4 ounces per square meter, giving you serious puncture resistance against sharp objects, weeds, and debris that could damage your pool liner. The non-slip surface provides great traction and the abrasion resistance means it'll last season after season. Installation couldn't be simpler - just unroll it and lay it on your prepared ground before you install your pool liner. It works on pretty much any surface - lawn, concrete, gravel, even wooden decks - creating a smooth, comfortable surface that feels great on bare feet. While it's pre-cut for 10-foot round pools, you can easily trim it to fit 15-foot or 18-foot round pools, or even cut it for square or oval pools if needed. What's really great is how it cushions the ground underneath, eliminating those annoying small bumps and rocks you can feel through the liner. It's one of those 'why didn't I get this sooner' products that prevents costly liner repairs and makes your pool experience so much more enjoyable. Seriously, for the price, it's some of the best insurance you can buy for your above ground pool investment.