NON-PARA TOILET BOWL RIM HANGER IS SPECIALLY DESIGNED TO PREVENT STAINING OF TOILET BOWLS WHILE CLEANING AND DEODORIZING WITH EVERY FLUSH. NON-PARA BLOCK IS WATER SOLUBLE AND 100 percent BIODEGRADABLE. TOILET BOWL RIM HANGER LASTS UP TO 1500 FLUSHES. CHERRY FRAGRANCE. SOLD 12 HANGERS PER CASE. WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov -