No need to light up; put it in the closet, give off a natural and long lasting fragrance 12 boxes set It helps to deodorizes and purifies the air, it can also be placed on the car or in the luggage, handbag to eliminate odors and achieve the effect of deodorization. It also disseminates fragrance to your closet. After the scent fades, it can be used to ignite the incense.