Red and black diamond pattern anti-pollution scarf, made in England, using ACC filter. - Design: Red and black diamond pattern - Function: Anti-pollution scarf - Material: Uses ACC filter - Made in: England - Packaging: Comes in a clear plastic case Thank you for viewing. I wore it for a few hours while riding a motorcycle in the city. After use, it has been sterilized with boiling water and will be shipped in a clean condition. It definitely worked. With a regular mask, my throat would hurt and I would cough, but when I wore this, the symptoms almost disappeared.