Hydroplanet &trade; 10"x20.75" Seedling Heat Mat for Propagation and Cloning Warm Hydroponic Heating Pad (10&ldquo;x20.75") 10X20.75 inches Seeding Heated Mat AC120V,60HZ,17W Improve germination process and improve on seedling and cuttings success Seedling heat mat for better plant growth and flower seed germination 2 years warranty any issue contact customer service with order ID