10-100 JCJZ KN95 Features: Free Same-Day Shipping (US Territories, HI, PR & GU only)*Super-flexible Nose Bridge (metal strip) in between layers.Ear-loops are Flat not round.Packed in Boxes & Factory Sealed in plastic (Packaging subject to change depending on availability)4-layers filters out over 95% PFE & BFE/ PM2.5Safety Standard: GB 2626-2006. We sell to Government Agencies & Healthcare Institutions. *Orders ship same day if placed before 12 PM PST For quick delivery to PR, HI & GU we highly recommend the optional expedited shipping options at checkout.