KN95 Face Mask GB2626-2019 Standard 5-Layer 3 Colors White Gray Black Box of 30

KN95 Face Mask GB2626-2019 Standard 5-Layer High Bacterial Filtration Box of 30 • Executive Standard: GB2626-2019 • Material: 51% Non Woven + 29% Meltblown + 20% Hot Air Cotton Product Features: • Type: Ear loop • Layers: 5 • Color: 10 White, 10 Gray, 10 Black • Disposable, single-use, breathable, light, and environment-friendly • High elasticity ear loop help fit different users and dual point at