100% NATURAL BAMBOO CHARCOAL: The bamboo charcoal bags are made of 100% natural bamboo charcoal, without any fragrance and chemicals. They are safe for children and pets. Standard size bamboo charcoal particles have a larger contact area with air, the performance of adsorption is better, effectively remove odors and bring fresh air.REUSABLE FOR 2 YEARS: Rejuvenate the charcoal bags by placing them under direct sunlight once a month for about two hours. It releases the void of bamboo charcoal, restores the effectiveness and maintains the service life of the bag for up to 2 years.EFFECTIVELY REMOVES ODORS: Bamboo charcoal absorbs 10x the odor of regular charcoal bags; eliminating musty odors with ease, quickly transforming your home air quality! We recommend placing multiple air purifier bags to specific areas around the house to maximize the air purification effect.MULTIPURPOSE FRESHENER: Crafted from a durable burlap bag with robust string design, these fresheners are easy to use and won't scratch surrounding items. They can be placed in various locations such as car corners, shoes, kitchens, bathrooms, refrigerators, gym bags, and more!EXCELLENT CUSTOMER SERVICE: Customers are at the core of everything we do. If you have any problem about this bamboo charcoal bag, please feel free to contact us, we will arrange the refund or replacement for you!