Borje KN95 Face Masks 50 Pcs, Individually Wrapped, 5-Ply Protection Black KN95 Mask, Disposable Face Masks for AdultsProduct Details:Brand: Borje Color: Black Material: Non-woven, Melt-blown Item Package Quantity: 1 Filter Class: KN95 Special Feature: Disposable Size: One Size Ply Rating: 5 ply ASTM Fluid Rating: ASTM Level 1 (Low) Style: Disposable, protection Against PM 2.5 from wildfire smoke: Borje KN95 face masks comply with GB2626-2019 for at least 95% filtration efficiency against certain non-oil based particles. During an air quality alert, KN95 masks are a good option to reduce your exposure to pollutants.5 layers protection: These respirators are made of two layers of non-woven, two layers of melt-blown, one layer of hot air cotton. 3D shape is designed according to human face shape. Ensuring the tightness, It increases the breathing volume at the same time.Perfect 5 layered cup dust masks for shopping, public transport, bus terminals, shopping malls, parks and busy city streets. The inner skin-friendly layer absorbs moisture from the breath. And the 5-ply face mask allows for easy, simple, and healthy breathing at all times.Qualified manufacturer: ZHEJIANG DIANFENG INDUSTRIAL CO., LTD. KN95 face masks made in China (not in US)Disclaimer: This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s