Bamboo Charcoal Air Purifying Bags contain powerful Moso Bamboo Charcoal that continuously works to keep the surrounding air pure and pleasant. This incredibly powerful charcoal has millions of tiny porous holes that work together to act like a big sponge. As air passes through the bag, odors and particles are trapped which in turn neutralizes and eliminates unwanted smells. Our Air Purifying Bags are a safe and natural solution to remove odors and unwanted particles from the air. Great in your kitchen, refrigerator, bathroom, closets, office, auto and pet areas- use them ANYWHERE!