These masks will allow you to communicate with the HOH and hearing imparied community. Made with 100% cotton. Choose between silicone straps, comfort cotton straps, mini bungee or eleastic. Clear mouth cover keeps the germs out and gets the meddage across. Treated with anti-fog solution. The anti fog can be re applied as needed with general antifog for eyewear or vinegar water. Hand wash, lay flat to dry.