BOARDWALK® BOWL CLIP IS A DISCREET WAY TO FRESHEN WASHROOMS AND MASK UNPLEASANT BATHROOM ODORS. BUILT WITH A THOUGHTFUL DESIGN THAT SECURELY LOCKS INTO PLACE ON THE TOILET SEAT. THE UNSEEN CLIP GRADUALLY RELEASES A PLEASANT AIR FRESHENER SCENT FOR 30 DAYS. MADE FROM A UNIQUE PATENT PENDING MATERIAL THAT CONTAINS MORE AIR FRESHENER THAN STANDARD RIMSTICKS. WILL NOT DISSOLVE IN OR POLLUTE WATER.