Deodorizing discs filled with odor eliminating Arm and Hammer baking soda Ships assorted in either lavender or citrus scents; Replace Nursery Fresheners every 90 days, or upon losing effectiveness Great for diaper bags, diaper pails, changing tables, hampers and more (not for use as a replacement in the lid of Munchkin Diaper Pails). Baking soda provides safe, effective and natural odor elimination Over 100 uses. Even non baby-specific areas like shoe closets and garbage cans can benefit from these small but mighty odor neutralizers