Neon Flex contains silicone neon and PU neon, silicone neon is P65/IP67, used indoor or outdoor. PU neon is ture IP68, used underwater. Silicone Neon, is made by adopting three-color silicone integrated extrusion shaping process featuring resistances to saline solutions, acid & alkali, corrosive gases, fire and UV, applying to indoor and outdoor architectural lighting solutions.