Four layers protection by pp non-stick non-woven fabric, hygenic-efficiency electrostatic melt-blown fabric, ES heat-seal cotton non-woven fabric, and pp non-stick non woven fabric. Features Elastic ear-loops Soft and comfotable Filtering Particulatr Protection Respirator Complies with GB2626-2006 KN95 standards Package Weight 1.20 Ounces Package Dimensions 0.50W by 8.30H by 6.00L inches