ABOUT THIS ARTICLE:
GENERAL USE: Adult Size: 6.9 x 3.7 inches. Safe and reliable 3-layer structure, the central filter layer is spun (cast) polypropylene.
DISPOSABLE MASK: Experts recommend wearing it for up to 4 hours. It should be discarded after use for your safety, and to avoid secondary contamination. When the face mask is damaged, deformed, wet or other abnormal conditions, the mask should be replaced immediately.
FACTORY DIRECT SALE: 50 disposable masks with adjustable nose clip and comfortable ears, waterproof and breathable masks, the best choice for day to day. All face masks are also packed in the same sealed bag to avoid secondary contamination during transportation.
PROFESSIONAL DESIGN: Independently designed packing box for easy access, store in a cool, dry place. If you have any question or broken product, please contact us via “ask seller” of the order.