Arm & Hammer Essentials Hanging Moisture Absorber and Odor Eliminator Bags are non-electric dehumidifiers that keep your small rooms and closets smelling fresh with just 3 simple ingredients and a pleasant scent. These hanging dehumidifier bags eliminate musty odors and freshen air with the power of baking soda and activated bamboo charcoal, a natural deodorizer. *They offer 10% more moisture absorbing power compared to the storage unit. Long-lasting freshness – up to 60 days depending on temperature and humidity. These humidity absorber bags are ideal for closets, laundry rooms, mud rooms, bathrooms or anywhere excess moisture and stagnant air are a nuisance. Just hang them up, no electricity required. When the bag is full of water, dispose in trash and replace with a fresh one. Not for use in moving vehicles. Keep out of reach of children. Do not allow product to contact leather or metal. Eye irritant. Harmful if swallowed. Arm & Hammer is a registered trademark owned by Church & Dwight Co., Inc.