Aromatherapy Hosley Set of 2 Premium Ocean Flowers Reed Diffuser Refills Oil, 230 ml (7.75 fl oz) Made in USA. Instructions: Pour diffuser oil into diffuser bottle. Insert 6 to 10 diffuser reeds. Caution: Skin and eye irritant. Do not ingest. Keep out of reach of children and pets. May damage finished surfaces if spill occurs. Keep away from open flames (do not heat). Contains fragrance oils. Color of oil may vary.