La Santa Muerte Black Skull Bath Bomb! Get that "most wanted" black tub without staining your skin or tub! Will leave you with soft, purified, glowing skin! Sodium Bicarbonate, Citric Acid, Organic, unrefined, cold pressed; Extra Virgin Coconut Oil, Water, Lavender essential oil, Activated Charcoal, and Cosmetic grade colorants. These are about the size of a Softball. This item contains oil, so please be careful getting in and out of your tub when using. Wiping out tub with a little soapy water afterwards should be enough. But please be cautious when using oils in the tub.