1. Fight Bad Odors - Grab a charcoal air purifying bag and freshen up your car or home. A bamboo charcoal air purifying bag is the most effective, all-natural way to deodorize & absorb odors from the air. The activated charcoal bags act like a sponge to absorb and neutralize foul odors.2. Charcoal Bags Odor Absorber - We designed your bamboo air purifying charcoal bag to purify the air you breathe. Beware of other charcoal bags for odor on the market that can do more harm than good. Our charcoal air purifying bags use the highest quality bamboo charcoal from Southeast Asia with NO harmful additives.3. Rejuvenate For Up To 2 Years - Each one of your four charcoal air purifying bag for large rooms weighs about 200g each. The breathable design of your charcoal air freshener bags make them easy to use anywhere Plus, rejuvenate your bamboo charcoal bag every month place your charcoal air purifying bag in the sunlight for a couple of hours. This process off-gases all of the odors that bamboo charcoal bags have absorbed. Your air purifier bags will be just like NEW