The Earlygrow Heated 3-bay Windowsill Propagator With Capillary Mat And Tray Is Great Way To Grow A Variety Of Plants, Utilising The 3 Bay Design.made Out Of A Robust Plastic, With A Shatterproof Lid, The Heated 3-bay Windowsill Propagator Is Resistant To Bumps, Knocks And Drops. The Capillary Mat And Tray Allows Your Plants To Be Self Watering Meaning You Can Leave Them For A Period Of Time Without Worrying About Them Drying Out.the Built In 12 Watt Heater Also Means That Your Plants Can Germinate Quicker At A Temperature Of Around 16-19 Degrees Centigrade.heated Windowsill Propagator With 3 Bay Designrobust Injection Moulded Trays With Clear, Shatter Resistant Lidslightweight Trays With Pre-drilled Holescapillary Matting For Self-wateringclear Shatter Resistant Lids With Adjustable Ventilation For Air Flow And Humidity 12 Watt Heater Facilitates Soil Temperature At Approximately 16-19c unit Measures 54.5cm X 21.5cm X 14.5cmmade In The Uk