<strong>Swimming Pool Solar Cover - 400 Plain Blue</strong> Swimming Pool Solar Cover - 400 micron Plain Blue - 3 year warranty A thermally produced Polyethylene ultra violet resistant material of 2 layers, the first or backing layer is thermally welded to the top Bubble layer by a special bubble blowing welding roller. The roller is typically 2 or 2.5 meters wide causing most pool covers to have a blank welded seem running the whole length of the cover. A Solar Cover when placed on the water's surface of a pool, spa or hot tub, increases the water temperature by absorption and transmission of solar radiation; reduces evaporation and prevents wind-borne debris from entering the water. <strong>Solar Cover Specifications:</strong>UV stabilised 400 micron 0.37kg per sq.m Blue top and underside 3 year pro-rata warranty (UK &amp; Eire only) Bay Cover Size 6' x 12' &amp; 4' x 6' on a 5-10 working day lead time as made to order. Please refer to our pdf section for further product information.