Charcoal bags air purifying bag, odor absorber, fra, shoe deodorizer, odor eliminators for home. Place in shoes, closets, drawers and other places to absorb unpleasant odors. Absorbs odor and freshens the air naturally. Safe for use around people and pets. Charcoal is a natural adsorbent that absorbs unpleasant odors from the air by drawing them into the millions of tiny pores in its surface. The activated carbon in our non-toxic charcoal bag removes odours from shoes and homes without harsh chemicals or fragrances.