Arm & Hammer 10.5-ounce Storage Moisture Absorber and Odor Eliminator is your solution for continuous cleaner, fresher air. This storage moisture absorber and odor eliminator works by attracting and trapping excess moisture to maintain an optimal humidity level. It works as an odor absorber for shoe storage or a room deodorizer or closet air freshener, where moisture is an issue. The low-profile design makes it perfect for small to medium sizes storage containers, bins, or drawers. To use this moisture absorber and odor eliminator, remove the pouch from its plastic envelope and shake for 5 seconds. Place in storage container. Replace once moisture absorbing crystals have fully dissolved for long-lasting freshness. Keep out of reach of children. Read and follow all label directions.