BambooMN Brand - Activated Moso Bamboo Charcoal Air Purifier Deodorizer Freshener Odor Absorber Purifier Bags - Black - 4 Pairs (8 pcs), 250 Grams per Bag 4 pairs, 8 pcs of black color bags 250 grams per pair These moso bamboo air purifying bags work great for deodorizing shoes, gym equipment, sporting goods, and luggage Hypoallergenic; limits most mold, mildew and bacteria from forming by absorbing excess moisture Fragrance free, chemical free, biodegradable and non toxic No pumps, sprays, powders, perfumes or residue! Reuse for up to two years To Rejuvenate just place the bags outside in the sun once a month for about an hour