Natural Toilet Bowl Cleaner contains a nontoxic, formula that is safe and effective to easily conquer stubborn stains and quickly clean your bowl without creating harsh fumes. Fresh scent of Emerald Cypress and Fir is derived from whole essential oils and botanical extracts. Cleaner is USDA Certified Bio-based 97 percent and Kosher and Leaping Bunny Certified. Bottle is made from a high percentage of post-consumer recycled plastic (excluding colorant).