YOKUU's Toilet Bombs leave your toilets with a refreshing Eucalyptus & Mint scent. Just add an eco-friendly tablet to your toilet bowl, let it dissolve and sit, give it a quick scrub, flush and you are good to go! STRONG & EFFICIENT: Delivers a powerful probiotic clean in your toilet. Tough on grime and prevents limescale build-up. ALL-NATURAL: contain probiotic bacteria harvested in the Belgian Ardennes and all-natural ingredients. Vegan, Ecocert, 1% for the planet. Made without parabens, phosphates, ammonia, VOCs, chlorine bleach, or phthalate.