When wearing this mask, wash your hands before putting it on or taking it off, ensure you have a snug fit and be mindful to not touch your face. This is NOT a N95/FFP2/FFP3 mask for medical use. We do not claim or promise it offers effective protection. Due to the special nature, we DO NOT ACCEPT RETURNS on face masks. One size fits all. Wash at 60°C before first use. Iron recommended.