... mask, fashion customer's logo can be printed on filter pollen, dust and bacteria. no stimulus to human skin Printed ... loop2) Soft, Comfortable, Odorless, Breathable3) No stimulus to human skin4) Filter pollen, dust and bacteria5) Used for clinical, housework, gardening, maintenance ... the machine etc.Specification:1) Material: 3Ply 25/30gsm PP + 20/25gsm filter paper+ 25/30gsm PP2) Size:17.5X9.5/9cm ( ...