Indigo Diffuser: Fragrance Notes: Apple, Plumeria, Muguet, Ozone, White Wood and Musk Powder Filled with alcohol-free, botanical oils Includes 16 ounces of oil and 20 reed sticks Measurements: 2.25" DIA x 7.5" H, holds 12 oz Instructions for use: Simply pour half of the 16 oz. diffuser oil into the vessel. Place the reed sticks in the vessel and let them soak up the oil for a couple of hours before flipping the sticks. Refresh the fragrance every two weeks or as often as desired by flipping the sticks. Lasts up to 6-8 months and releases the fragrance from 500-1000 square feet. DayNa Decker products are animal friendly and environmentally kind. " material="Glass, fragrance oil" origin="United States"