Discreet and secure, Freshens the air for 30 days, Complies with VOC requirements in all 50 states, North America and Europe. 100% recyclable, Easy to use, Versatile - used in many toilet and non-toilet areas to combat odors, Shrinks to fit as fragrance evaporates, Contains 50x more air freshening than standard rim sticks, Works great on the outside of the toilet bowl, on the side of the tank, or top of the partition