Worked with me when my package wasn't delivered. Would buy again.
These are super comfortable to wear, but the straps are a little loose for my head which is funny because I usually need the large size masks.
Review
KN95 Face Masks, CE Certified, K95, 5PLY, Protective Mask
The laces are a better size for my head and ears. Much more comfortable than past choices. Soft too... can wear all work day with little irritation