Nylon yarn and Spandex Yarn elastic earloop band for mask
Component: Spandex yarn + Nylon yarn
Diameter: 3mm
Hollow Structure, soft and combfort , good ventilation
Good elastane, about 1.9 times stretch of its length to combfore your ear
Super light, about 0.67g/m, about 40% less weight than commo level elastic band
All material meet world Authority Accreditation Productio nameNylon yarn and Spandex yarn earloop band for medical maskComponentNylon yarn and Spandex YarnVentilationgood heat sinkStructurehollowstretch1.9softlight, soft and combfort
More details of the Elastic earloop band