Looking for a zero waste solution for cleaning your toilet? Look no further than our toilet bombs! How to use: Place one Cake in toilet bowl and wait 3-5 minutes for fizzing to complete. Scrub toilet bowl to remove stains and build up. Flush? Don’t flush? It’s up to you! The peppermint and tea tree essential oils create a fantastic aroma that will leave your toilet smelling better than ever. Ingredients: sodium bicarbonate, citric acid, distilled white vinegar, organic peppermint essential oil, and organic tea tree essential oil.