Magni Clear Solar Sun Discs Swimming Pool Heater Brand New Magni Clear Solar Sun Disc (1 Solar Sun Disc) Clear Design Up to 20% more than regular blue discs or rings! Compact 6 sided hexagonal shape covers more pool surface than round rings and provide better heating. Integrated Velcro along the edges holds the discs together for better coverage. The discs break apart in the event of an accidental fall, so they are safer than a traditional solar blanket. Product Condition: BRAND NEW