Rubber Propagating Mat 22x22 in. Place your flats directly on heavy rubber mats and get even bottom heat for starting seeds and cuttings. Must buy thermostat to use. 22x22 in., 100 watts. Ship wt 6#
First time user, instructions were easy to understand. Was recommended to me by a nursery friend that this mat is pricey but will outlast any other. Working great!