... surgical face mask ear loop Matrial:spandex Size:2.5mm,3.0mm,4.0mm thickness... Round and flat are all available Disposable Face Mask ... Ear loop Non-woven Face Mask Ear Loop Usage:used on face mask Material: Polyester and sapndexAny size ... , BFE95%, BFE99% filter paper and Normal filter paper4, Standard mask size: 17.5cm*9.5cm Standard Ear loop Length: 17 ...