Calliger - Fresh Aromatic Cedar Hanger Rings (12) Cedar rings slip over the hooks of your existing hangers; Can also be placed in drawers, luggage or storage containers Aromatic cedar rings eliminate mildew by reducing the moisture in your closet Cedar rings repel all types of insects away from your closet; Protect fine fabrics from harmful moths Cedar is an environmentally friendly and safe alternative to chemicals Cedar eliminates odors, insects and mildew; Bring the freshness of the outdoors into your home