Products using non-woven fabrics， raw materials dissolved by ultrasonic spraying hot and spot welding， or sewing process made the band earhook. Nose clip， so that the face is more fitting for a variety of faces， no particulates ultrasonic sealing edge， comfortable to wear. It can be better to stop the dust and microorganisms， worn long， not tight， no allergic reaction; with smooth fabric to reduce fiber care off， disposable， maintenance-free， convenient and practical， more safety and health.
