Full Ultrasonic Surgical Mouth Mask Does Not Irritate Your Skin, Does Not Sweat And Offers A Practical Use The product has 3 layers of surface and is airy. Ultrasonic Surgical Mouth Mask Is Rubber Laced And Easy To Use. Full Ultrasonic Surgical Mouth Mask is Made of a Special Fabric Called Spunbond. It is produced by using ultrasonic sewing and has 3 layers. There is wire in the nose part
