Silver is a silicone based personal lubricant, and is Sliquid’s Premium formulation. Super long lasting and 100% waterproof, Silver is the perfect choice for those who need a lubricant to last. Made from an ultra concentrated blend of medical grade silicone, Sliquid Silver will last as long as you need it to. Easy clean up with soap and water. All Sliquid products are formulated by sensible women, for sensitive women, and will never cause yeast infections or UTI’s. 4 oz.