Nano Fiber Made in South Korea 20 White Air Queen Nano Masks +1 Black All Keeper KF94 Mask, Both made in South Korea, Brand new in original package. BLOCKS FINE PARTICLES - Effective in blocking dust and fine particles. COMFORTABLE ERGONOMIC DESIGN - Ergonomic three dimensional design covers from the nose to the chine completely, and efficiently blocks the inhaling of the fine-dust through the adhesion structure. GREAT SAFETY - 3-Layer Protection with high quality Nano filer. đź”´ NOTE: The date printed on the package is manufactured date, NOT an expiration date. â€śě śěˇ°â€ť means “Manufactured” đź”´ Brand new in original package, Korean AIRQUEEN Nano-Fiber Filter disposable mask. Effective protection for your breathing comfort. Super comfortable and effective design. Each order contains individually wrapped and sealed masks. Adjustable nose clips and soft nose pads can help different users achieve good face adhesion and reduce the possibility of fogging the glasses, Package includes: 20 White Air Queen Nano Masks +1 Black All Keeper KF94 Mask, Both made in South Korea.