Zero waste bubble bars eliminate the plastic bottles around your bath tub. Each bubble bar is handmade and lovingly wrapped in a compostable plant-based film.    How to use: Add a slice of crumble to your bath. Watch the crumble dissolve and the bubbles form with hot running water. For extra bubbles, stir the water like a witch's cauldron. Approximately 127g -  that's 6 baths of bubble overload Ingredients: Bath Crumble bubble bars are completely Naked. You’ll only find high quality, useful ingredients that are vegan, cruelty-free and gluten-free. Below is a list of the ingredients  Sodium bicarbonate (baking soda), sodium lauryl sulfoacetate (SLSA), glycerine, potassium bitartrate, cornstarch, theobromo Cocoa (cocoa) seed butter, parfume, mica