Plant Starting Kit, 20'' x 20.75'' Upgraded Carbon Film Seedling Heat Mat With Digital Thermostat Controller & Thermohygrometer, iPower

1. Upgraded carbon film heat mat offers more uniform heating. 2. Gently warms root area to improve germination. Increases success of seedlings and cuttings. 3. Warms root area 10-20?F over ambient temperature to improve germination. 4.Provides constant temperature to improve vegetable, plant, herb, and flower seed germination. 5. Waterproof design allows for you to scrub and easier cleaning. 6. Durable, internal insulated wiring for enhanced safety. 7. Heavy duty multi-layer construction.