- Function of mask: Blocking at least 94% of airborne particle (easy breathing) - 4 layers protection: 4-Layer protection with great quality of Melt blown filter - Nose clips and Ear loops: making safety mask comfort fitting on your face and preventing fogging on glasses / making strap adjustable - Qualification: KFDA approved, FDA Registered high quality safety mask - Country of manufacturing: 100% Made in Korea - Color: White - Individual packaged - The dates printed on the package respectively present manufactured data and expiration date