MIDWEST CANVAS SOLAR POOL COVERS - EXTRA HEAVY SPACE AGE SOLAR BLANKET WITH ALUMINUM HEAT SHIELD. ELECTRIC BLUE HEAT COLLECTOR TOP COLLECTS HEAT FROM THE SUN'S RAYS SIMILAR TO A TRADITIONAL SOLAR BLANKET, 14.6% GREATER HEAT RETENTION, HEAT THAT IS OTHERWISE LOST IS REFLECTED BACK INTO THE POOL FROM THE SPECIAL UNIQUE ALUMINUM HEAT SHIELD UNDERSIDE.NOTE: SPECIAL ORDER POOL COVER SIZES ARE $0.32 PER SQ FT PLUS FREIGHT.8 YEARS PRORATED) SEE WARRANTY REGISTRATION CARD FOR FULL DETAILS -