Commodity use: dustproof prevent fog droplets material: high quality new spinning viscose cloth, viscose fiber cloth, high density and the ears melt-blown fabric with polyester thread color: dark brown grain size: 17.5 * 9.5 cm disposable masks instructions; Factory direct selling, affordable sales, international testing report, CE certification and other documents are complete, wholesale please advance booking, quantity is superior. Please consult customer service for specific delivery time. Material of three layers: the first layer is thickened with 25g mask double S non-woven cloth; the second layer is thickened with 25G95 molten spray cloth; the third layer is thickened with 25g mask double S non-woven cloth (for customization, please consult customer service)