Humydry 4 Pack Charcoal Odor Absorbers absorb odors from all types of footwear, athletic gear, bags and luggage. 100% activated charcoal in non-woven fabric bags effectively draw odors out of your footwear and athletic gear and the places where they are kept. Use in luggage, drawers and closets too. .(1)Environmentally friendly(2)Lasts up to 3 months(3)Contains 4 individually packaged charcoal pods to stay fresh until use(4)Applications: footwear, winter boots, ski boots, athletic gear, gym bags, luggage, closets and drawers(5)Single-use product(6)Made in Spain.