1、【RELIABLE RESULTS】:Professional heat mat maintains temperatures in the sweet spot of around 20-30℃（68-86℉）- perfect for seed starting and cutting propagation. 2、【STABLE, UNIFORM HEAT】:  Strengthened heating film ensure this durable mat never scorches your roots and produces lots of revitalizing dew when used with a humidity dome. 3、【BUILT TO LAST】: Supple, flexible and ultra-durable, goes beyond stringent MET standards, water-resistance that enables safe scrubbing. 4、【Safe use】: This 20" x 20.75" mat is perfect for two standard 1020 trays and slightly larger than comparable mats on the market; it also runs on only 40 Watts to help you save on electricity. 5、【INNOVATIVE HEATING】: With radiate far-infrared light wave, making the heat source softer, and proving the seeds with enough heat, it can be heated up to 40 ℃（104℉）at an ambient temperature of 20-25 ℃（68-77℉）in minutes.