Three layers of Birchwood and a hidden aromatherapy felt pad inside allows you to charge this air freshener with your favorite scent. Use in the car, closet, drawers, bathroom without the need for candles. Recharge as needed. Comes with a pipette for moving liquid into the pad. Holes on the back allow the scent to gently waft into the area. Arrives unscented, ready for your favorite scent. Message if you'd like to add a fragrance. Wood is left natural, but can be colored with markers, colored pencils, and paint for a sweet smelling masterpiece! Size is approx 3 inches to 4 inches. Returns accepted only if items arrives damaged.