Boncare KN95 Face Masks 50 Pack, Black, 5-Layer Disposable Face Masks, Breathable and Comfortable

Brand: BoncareColor: Black-50pcsFeatures: 【5-Layer Protection】 Boncare KN95 Face Masks follow the GB2626-2019 respiratory protection standards and feature a filtration efficency of over 95%. Well-designed 5 layers cloth filters large particles, then small harmful particles and pm2.5, offering you a safeguard protection. Authorized Manufacturer: GUANGDONG ZHIZHEN BIOLOGICAL MEDICINE CO, LTD 【Breathable Technique】Our KN95 Masks adopt advanced electrostatic technique to make the mask material more breathable. You could easily respire the air through the mask filtration while being protected. 【Comfortable 3D Design】According to face shape research findings, we design these kn95 masks with ergonomic curve that the mask could perfectly fit to chink and nose with good air tightness. The adjustable metal nose clip give you freedom to shape the nose part. Elastic ear loops are extendable and reduce the pressure on your ears. Compared to other brands' masks, it would not be a burden for long ti