Plastic hanger has a pressure-sensitive clip that holds enzymatic para block in place, even during cleaning. Cellophane-wrapped to keep block intact. Contains billions of beneficial bacteria that release enzymes to destroy odors at their source. Fights odors for up to 30 days. Deodorizer Type: Toilet Bowl Block; Scent: Springtime; Capacity (Weight): 3 1/2 oz; Color(s): White. Package Includes: Includes 12 blocks per case.