1.effectively absorbs excess moisture and eliminates musty odors for up to 60 days (duration due to temperature and humidity). 2.Design: and compact, it allows for maximum efficiency in small spaces. Hanging design, can be easily hung in a closet or other enclosed space. 3.Effective absorption: Moisture Absorption The dehumidification bag uses spherical calcium chloride to expand the rapid absorption area and protect clothes and items from excessive moisture damage. 4.Wide range of uses:Our dehumidifier bags are perfect for use in small enclosed spaces like closets, storage bins, suitcases and drawers to and dry conditions for weeks.