Product description Material: bamboo charcoal + linen Color: gray, light greenInk-blue Quantity: 4PCS One package weight: 75G Package content: 4*Bamboo Charcoal Purification Bag 1.Natural bamboo charcoalNatural Charcoal Odor Absorber-Made of just one incredibly powerful natural ingredient-activated bamboo charcoal; The bamboo charcoal bags is continuously working to effectively absorb and remove odors and harmful pollutants and to clean and freshen the air. 2.Bamboo Charcoal Bags 4 bags, Each bag has metal hanging ring and sealed inside a breathable linen bag that can work anytime and anywhere. According to the degree of smell, the amount of air freshener bags can be appropriately increased to speed up the adsorption rate and quickly eliminate odor and smoke. 3.Perfect for Any WhereThe incredibly powerful type of charcoal has millions of tiny little pores and cavities that work together to clean the air and absorb the excess moisture; The bamboo charcoal neutralizes even stubborn smells such as those caused by smoke, pet urine, cat litterboxes, wet dogs, gym shoes and more.This makes bamboo charcoal to be the perfect air freshener and odor remover. 4.Reused Up to 2 yearsThese air freshener bags can be reused and recycable. To rejuvenate just place the bags outside in the sun once a month for about 2 hours. After 2 years you can recycle them in your garden soil and help your plants to absorb better. 5.KINDLY REMINDWhen you get the parcel and before use it, please lay out under the direct sunlight for 6 to 8 hours to activate the bamboo particles, It will more effective.