HUMYDRY USA93501C12 Mobil Unscented Auto Moisture Absorber, 2.6-Ounce Removes excess moisture from the air preventing the growth of mold and mildew for a fresher healthier environment at your vehicle Odorless Moisture Absorber Perfect for use in small areas such as cars, campers or mobile homes Works without electricity or batteries Self contained refills; The absorbed humidity stays inside the refill; No leaks no mess