The MaxxDry SD is a safe, silent, and simple overnight way to dry footwear. Using naturally rising warm air the MaxxDry SD removes dampness, perspiration and odor from all types of shoes or boots. Thanks to the slow drying process there is no fear of shrinkage or stiffness and no need to remove shoes or boots promptly. Using minimal watts, the MaxxDry SD is a cost effective, economically friendly tool for daily use to dry or warm footwear. Whether you work outdoors or have kids that play sports, we believe you and your family deserve to start each day with dry, comfortable footwear. So do your feet a favor and pick one up today!