This aroma oil diffuser set includes one Celadon ceramic vase and one sola wood English Rose flower diffuser head (with an attached 6"L wire wick). Simply add your own favorite aromatherapy diffuser oil (not included) to this vase and insert the sola wood flower diffuser and the petals of this unique flower will absorb the essential oil through the wire wick and diffuse the fragrance. A beautiful way to diffuse your favorite scents. The vase holds up to approximately 350 ml. of oil. Celadon ceramic is more resistant to chipping and cracking than traditional ceramic. Vase: Approximately 3.5"W x 3.5"L x 4"H. Flower diffuser head: Approximately 3.25"W x 3.25"L x 1.75"H. Flower diffuser wire wick: 6" long.