This cover keeps your swimming pool always clean this sail protects the pool against almost all possible types of dirt. This cover is specially made for the Intex Frame swimming pools of 488 inches round. There are small holes In the cover that allow the water to breathe well. This also ensures that after a large shower you can easily pick up the sail. Because of the spacious overhang 20 cm from the pool together with the sturdy fastening cords, this sail also stays well with a strong wind.