With 40 times more fragrance than standard rim sticks, these fully recyclable bowl clip air fresheners contain a lovely ocean mist scent to leave toilets smelling fresh and inviting. Designed to clip over the exterior of the toilet rim, to gradually release fragrance over 30 days, they are easy to install and will not dissolve in or pollute water. Can be placed virtually anywhere you desire freshness, no batteries, electricity required. Pack of 12.