Our masks are made from raw materials which are custom made for us from our suppliers in order to meet our stringent quality requirements. Our mask is designed to filter upto 98% particles in the air. Product Features: User friendly Stylish universal design Easy to store while not in use No metal exposure or loose parts Protection, comfort & fit Leak proof Water Repellent Prevents external contamination Superior Technology Micro Fine Filter Media Protects from respirable suspended particulate matter Composed of multiple layers pre-filter, fine filter and skin comfort layer