The Boot Dry is a safe, silent, simple, overnight way to dry footwear. Using thermal convection, naturally rising warm air it removes dampness, perspiration and odor from all types of shoes or boots. Using minimal wattage, the Boot Dry is a cost- effective and economically friendly tool for daily use. Because the Boot Dry dries slowly with mild heat, thereĆ¢??s no fear of shrinkage or stiffness and no need to remove shoes or boots promptly.