Grow your plants up to three times faster for just pennies a day. The Fast-Gro Propagation Mat will help you raise transplants for both indoor hydroponic systems and outdoor flower beds and vegetable gardens. Research (and practice) has proven that keeping the growing media consistently warm accelerates seed germination, encourages root development, and also helps to prevent root rot in most plant varieties. This 22" x 44" mat may be placed on a tabletop, counter, or garden cart, and has plenty of room for two standard-sized seed flats. The mat raises the temperature of the growing medium 15 to 20 degrees above room temperature. Spill some water or fertilizer? Just wipe it off. The mat is water-resistant to insure many years of successful propagation. Conveniently rolls like a poster for easy storage. The Fast-Gro Propagation Mat is guaranteed by the manufacturer for five years.