Effectively removes shoe odor: Bamboo charcoal (activated carbon) has odor-absorbing properties, adsorbing odors and absorbing moisture, making it an ideal odor remover for sports shoes, everyday shoes, and work shoes. Tip: First use usually shows results overnight; for stubborn odors, leave it for 24-48 hours.Naturally fresh, no strong scent: This product is discreet and practical, suitable for those who prefer activated carbon odor removal over strong scented sprays. The activated carbon odor remover bags neutralize, rather than mask, odors.Restores activity with sunlight, reusable: Regularly placing the bags in sunlight (on a windowsill/balcony) will \"recharge\" the activated carbon air purifier and restore its effectiveness. More sustainable than disposable air fresheners.Robust and durable linen bag: Breathable linen fabric, robust and durable, suitable for daily use. Activated carbon can be safely stored in the bag: Convenient and easy to carry – perfect for a gym bag or suitcase.6 bags, 75g each (grey): Contains: 6 x 75g bamboo charcoal bags. Not just for shoes: also suitable for shoe cabinets, wardrobes, suitcases, changing rooms, or cars (odor removal and dehumidification).