Febreze odor defense scent beads to keep clothes smelling fresh. When you treat your laundry to Downy Fresh Protect In-Wash Odor Defense scent beads, fabrics are infused with motion-activated fresheners that are triggered as you move, knocking out odors on the spot. Its 24-hour odor neutralization keeps your clothes smelling fresh and clean-no matter what you do while wearing them. So get out there and see how Downy Fresh Protect helps you maintain that take-on-the-world freshness all day long.