Re-engineered for better performance and greater durability! The new, stronger heating wire and thicker multi-layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments. Increases success of seedlings and cuttings. Warms root area 10-20 degreesF over ambient temperature to improve germination. Lighting, watering and planting information printed on mat. Waterproof construction. 6ft power cord. UL Listed.