Our 3Ply medical face masks are made from 2 layer high quality non woven material and 1 layer meltblown material have BFE reaching 99.96%, can be very helpful for hospital or personal protective use. Material: 2 layers high quality non-woven fabric + 1 layer high quality meltblown Certificate: Compliant 93/42/EEC; PPE 2016/425/EU Classification: Class I Standard: EN 14683, ASTM Size: 17.5*9.5cm Color: Blue, White Packing: 50pcs per box, 2500 pcs per carton, Non-sterile Carton size: 40*52*63 cm Uses: Hospital, industrial area, personal care ... Origin: Vietnam