Ogrmar's pool liner pad is a must-have addition to summer pool liners that are sturdy, insulated, and non-slip. It can prolong the life of your pool liner. It provides cushioning on the ground and pool liners, providing an extra layer of protection. Not only does it prevent the pool liner from being punctured and torn by sharp objects such as nut grass, stones, roots, etc., but it will be more comfortable for your feet to step on the liner, and at the same time, it is more safe to not worry about being stung by weeds and small stones. In the hot summer days, play in the pool even more enjoyable!