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, casual shoes, and work shoes. Tip: First use usually shows results overnight; for stubborn odors, leave it in 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-removing 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, restoring 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-removing and dehumidifying).