CloSYS Tongue Cleaner   Sold as a single unit. Available in four colours, and especially designed light weight plastic tongue cleaners that are made with a built in 'ridge' to remove volatile sulfur compounds (VSCs) from the surface of the tongue. When used with our other world famous CloSYS products, it removes a significant cause of bad breath. Made in USA.   NB. The displayed graphic shows the four available colours.