Elfin Growth Durable Waterproof Seedling Heat Mat Warm Hydroponic Heating Pad 10" x 20.75" Mat Only Improve germination process and improve on seedling and cuttings success Made of Durable Waterproof Material to ensure a safe grow environment Increases success of seedlings and cuttings Light, watering and planting information on mat Warms root area 10-20 degree fahrenheit over ambient temperature to improve germination