About this item10-pack NIOSH Approved N95 Respirator Mask - (NIOSH Approval Number: TC-84A-9315) - N95 mask certified for protection against 95% of non-oil based particles 0.3microns or larger. Size Medium/Large. Elastic bands go over the head, not over the ears.MADE IN USA* – Manufactured by BNX Converting LLC in Houston TX, a NIOSH/CDC Approved a...