Natural Beech Wood oil diffuser, perfect to clear air, freshen up, boot immunity and restore to calmness. This artisan wood piece naturally absorbs and diffuses eco friendly essential oils and aromas without water or electricity. Drop your essential oil directly on the wood for it to absorb and diffuse. Features: - 100% wood based - Small compact size, perfect for travel - Long lasting benefit, as it releases aroma of your essential oils from 6-12 hours Avoid contact with water to prevent cracking. Size: H: 2 in D: 1 1/4 in Each sold separately. Essential oils not included.