Using the color, make it likes the color of cloud. Using Eco-perfume, no Phthalates, No DEP. No Alcohols No Fillers. *Protect the products for best, but the shipping damage. Please think about it if you mind. *Using Eco-perfume, not for long time, maybe for half year, please burn it as soon as possible. *Before burning, please cut the core to 0.5cm, and burn it for 2 hours for the first time.