Unique Masks from Unimo Exports brings you a revolution in Viral protection the "UnioN" â?¢ with - HeiQ Viroblock�© Technology . Reusable Protective Face Mask with a unique combination of registered silver technology for antiviral and antibacterial effect and our vesicle technology as a booster. The mask has an Outer layer treated with HeiQ Viroblock�© Technology Antiviral chemical which is safe and non-toxic to Human beings, Any virus that lands on this surface is inactivated within minutes. "UniloQ masQ" has an additional protective layer as well as an innermost Soft cotton layer which is Chemical free and in skin contact.