Dark Crystal Glass Clear All-Natural Reusable CleanerDark Crystal Glass Clear All Natural Reusable Cleaner Keep your smoke ware and glass products crystal clear with Dark Crystal Glass Clear All Natural Reusable Cleaner. This cleaner is made from non toxic components, ensuring a safe and effective cleaning experience for all your accessories. Key Features: Works safely on acrylics, metal, ceramic, porcelain, and glass Polishes quartz and synthetic ruby or sapphire First ever cleaning formula for E cig