These bamboo charcoal bags are perfect combinations , moisture absorbers , they can effectively absorb formaldehyde, odors, moisture. | Made of 100% natural bamboo activated charcoal and packed with premium sacks, these air purifying bags are reusable and durable enough to last for up to 2 years. | 3 Different size for meeting different needs, you can insert the mini charcoal bags into small space like shoes, boots, put the 100g ones into space like closets and use the 200g ones for your bed room or bathroom. | With exquisite metal buckle and buckle loop design, they are very convenient to use and remove, you can hang them anywhere you want and remove the bags for cleaning after long time use. | Suitable for Shoes, boots, shoebox, bags, luggage, drawers, closets, laundry area, pantry cabinet, car, living rooms, bathrooms and any place that you need. Perfect for daily use and ideal housewarming party gift for your friends.