The Eco Bowl Clip contains 30 times more fragrance than the standard rim-stick and releases a consistent fragrance load over 30 days. Simply place the clip, logo side out, on the toilet rim and lower the seat to secure it. The Eco Bowl Clips small size and profile allow it to be clipped on the side of the toilet tank, or clipped to the plumbing lines. The Eco Bowl Clips versatile design allows for it to be clipped just about anywhere. Clip it on the bathroom dividers, office cubicle or even the office chair. Eco Friendly, Ocean Mist Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.