These sealed linen pouches contain highly porous bamboo charcoal which naturally captures odors and moisture from all kinds of dance gear. Leave the Deodorizing Pouches inside shoes or dance bags to remove and prevent moisture and odor. While your average scented air freshener can only cover up smells, the carbon-activated charcoal adsorbs and removes odors and moisture, yet is all-natural and non-toxic. Each package contains one pair (2 bags) that can be reused for up to two years.