Greenhouse tests have shown that identical plants, cared for in exactly the same way, will grow up to three times faster when their roots are kept warm. In fact, if the air temperature is as low as 50 degrees, plants without root zone heating don't grow at all while those that do have root zone heating continue to thrive and grow! Germinate seeds faster - ideal for starting seedlings! Grow plants up to 3 times faster! Keep soil temperature 15° to 20° above room temperature preventing root rot! Water resistant construction - spills just wipe off! Read header instructions prior to use. for more info contact us at www.rhsusa.net Uniform germination propagation mats provide a consistent and controlled environment for seed germination, nsuring uniform sprouting and growth of seedlings. Safe and Eco-friendly, save on your electricity bill, Fast-Gro Heating Mats costs just pennies a day to operate, but gives you all the advantages of the larger industrial models. Great for no sunlight areas. The only seedling starter with 60 inches or 5' feet in length. Perfect for many seedling trays. Many sizes available (11 x24 ), (11 x36 ), (11 x48 ), (11 x60 ), (11 x96 ), (11 x120 ) longer sizes including length and width are available for custom orders, since we are the manufactures of these mats we can make any size. Durable construction made in USA system. Spill proof, just wipe it down, easy to clean. Does not roll up, film technology prevents heat mat from rolling back up, stays flat in place. UPC 042904693391 ASIN B06Y1WJBBC Color black Brand Name Fast-gro Unit Count 1 Count Item Weight 1 Pounds Manufacturer Radiant Heat Sales, Inc. Model Number RHSFG25 Moisture Needs Moderate Watering Number of Items 1 Included Components Propagation mat Indoor Outdoor Usage Indoor, Outdoor Expected Blooming Period Fall to Spring Product Care Instructions water Plant or Animal Product Type all plants Other Special Features of the Product Water Resistant, ecofriendly, washable, flexible, low maintenance