Solar cover sheet for swimming pools, made of polyethylene material, which is resistant to water, weather conditions and corrosion caused as a result of the chemical and electro-chemical agents' action on the material's surface. It is placed on the surface of the pool water and it has a diameter of 305 cm. It is used to keep pool water clean from leaves, insects, dust and other impurities, to slow down the loss of water temperature and to heat the water on the surface of the pool, while transmitting heat when it comes in contact with sunlight. The packaging also includes a bag, which is used to store the cover when not in use. This product is suitable for use with Fast Set pools which have a diameter of 305 cm and with Steel Pro Max™ pools which have a diameter of 305 cm.