Seventh Generation Zero Plastic Toilet Bowl Powder Foaming Cleaner 14 oz - Walmart.com
Plastic Free Toilet Bowl Cleaner | 4 The Greater Good
Amazon.com: STAR BRITE Toilet Bowl Cleaner - Formulated for Boat & RV Use - Removes Stains from Plastic & Porcelain Bowls - Doesn't Interfere With Most Holding Tank Treatments (086416) : Automotive