5 -100 KF94 MONCROSS Features: Free Same-Day Shipping (Continental US, GU, PR, HI & GU only)* Super-flexible Nose Bridge (metal strip) woven between layers (not on the outside). Ear-loops are flat, not round. Masks are individually packaged as shown in images. 4-layers filters out over 95% PFE & BFE. We sell to Government Agencies & Healthcare Institutions. Made in Korea *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.