Increase your success with seed germination, seedlings and cuttings by warming the root area up to 10-20°F over the ambient temperature using heat mats. Available in sizes to accommodate one, two or four planting flats. Light, watering and planting information printed on mat.

• Waterproof construction
• 6' power cord, UL listed
• Size is 20" w x 20" l

Check out the size as well.