... Ear-loop,blue color Materials Non-woven, or Non-woven + Melt Blown (Tissue Paper ) Sizes 17.5*9.5cm ( for adult use ... non-woven, 3plys non-woven, or 2plys non-woven + 1ply melt blown Weight 60g, 70g, 75g/sqm Colors white, blue, green, yellow ...