The VIVOSUN professional heat mat maintains sweet-spot temperatures around 68-86°F(20-30°C), which is perfect for start seeding and cutting propagation. Made of high-quality PVC material, it is wear-resistant and durable to use. With the radiate far-infrared light wave, this seeding heat mat makes the heat source softer and provides enough heat, which can be heated up to 40 °C(104°F)at an ambient temperature of 20-25 °C(68-77°F)in minutes.,The VIVOSUN professional heat mat maintains sweet-spot temperatures around 68-86°F(20-30°C), which