• 4 ply mask industrial quality: Manufactured in a sterile facility. Samples are tested regularly to ensure contaminants are being prevented from entering and exiting. • 4 layers spun bond polypropylene: These face mask have excellent strength and durability. • Wide application: It can be used in public places, hospitals, restaurants, beauty salons, nail shops, pet shops, and cleaning etc. Packet Contains: 100 Masks Features: • Soft & gentle to skin • Non-woven material • Breathable • Adjustable