Our backflow incense cones are made of special natural plant material, natural wood powder and purified water that release natural and fresh fragrances, making your place smells good and fresh. Wide Application: Incense sticks cones perfect for almost anywhere in your home,office,bedroom,kitchen,mediation room etc. Also fit for patio, yoga, deodorization, wedding, rituals, ceremonies, birthday parties, special occasion, romantic moments. Backflow: Our cones need to be used in conjunction with a reflux incense burner to achieve the best results. Easy to Storage: Place a cool,dark,dry place,fragrance will be more pure along with time pass. If you feel the smell is heavy, please ventilate to make the fragrance lighter.