KN95 Protective Face Mask Protection level: Filtering efficiency up to 95% Color: White Style: Hanging ear type Material: Cotton and non-woven fabric The production of our masks strictly follows GB2626-2006 (China's KN95 standard). The technical requirements and test methods of GB2626-2006 (China's KN95 standard) . CE EN149:2001+A1:2009 High-quality elastic ear-loop with no pressures on the ears, which makes it comfortable to wear for a long time. Close fit to prevent polluted air from entering. Nose sponge cushion, soft and flexible nose cushion makes mask wearer feel more comfort. Adjustable soft nose clip, fit the bridge of the nose, prevents fogging of glasses block the haze from entering. What's in the box 25 x KN-95 Respirator Masks