Sliquid Spark is a pharmaceutical grade silicone personal lubricant. It is Sliquid’s premium formulation infused with menthol for a cooling, then warming sensation. Super long-lasting and 100% waterproof, it is the perfect choice for those who need a lubricant to last. Ideal for anal play. Made from an ultra concentrated blend of pharmaceutical grade silicones, Sliquid Naturals Spark will last for hours with only a few drops, and is easy to clean up with simple soap and water (except from some sheets & clothing!). Not compatible with silicone toys. Compatible with all types of condoms.