Item Type: Aromatherapy Oil Stones Set Material: Artificial Crystal Stone, Iron Box Net Content: 20ml x 2pcs Package List 1 x Bag of Aromatherapy Stones 2 x Essential Oil 2 x Dropper 1 x Iron Box 1Diffusing Fragrance: Aromatherapy stones can store and absorb the fragrance of essential oils,used for diffusing the aroma of essential oils. 2Relieve Pressure: Essential oil can effectively relieving fatigue and pressure, which is suitable for bedroom, study, living room, etc. 3Easy Operation: Put a few drops of aromatherapy essential oil on the stones, which will release the aroma as the oil breaks down. 4Safe Use: You can leave aromatherapy oil stone diffuser set anywhere without worrying about an outlet or curtains catching fire nearby. 5Artificial Crystal: Aromatherapy diffuser is made of artificial crystal stone, firm and sturdy, with an iron box, which is stable and durable for use.