Fresh-ins are small white pouches packed with the natural power of ARM & HAMMER baking soda that are emptied into a vacuum bag or dust cup. The crystals inside each packet neutralize odors inside and outside the vacuum and add a fresh, pleasing scent to the room. SAFE FOR ALL VACUUMS. SAFE AROUND PETS To use: Simply tear open the scent pack and empty the contents into your dust bag or dust cup before placing it in your vacuum cleaner. As dirty air passes through the bag or dust cup, ARM & HAMMER Baking Soda particles neutralize odor bearing chemicals. The result is clean, odor free air released into your home. Qty: 9 Scent Packs