This fresh smelling toilet bomb is a clean way to disinfect and sanitize your toilet...and it's easy! Just drop one in and watch it fiz. This blend of citric acid, peroxide, baking soda, vinegar and essential oils are a sure way to keep your toilet looking and smelling it's best in between scrubs. Purchase them in either a 10 piece pack or 20! They are easy to store, just keep them in a dry area.