10 -100 FFG All-Black Protective Face Mask Features: Free Same-Day Shipping (US & PR only)* All Black outside, White inside & All Black Ear-loops. Super-flexible Nose Bridge (metal strip) - fits any size nose & face  Masks factory sealed in plastic & boxed (for 50 & 100 pcs) 3-ply material filters out over 95% of bacteria, dust, pollen, smoke etc. Implementation Standard: GB/T32610-2016 We sell to Government Agencies & Healthcare Institutions. *Orders ship same day if placed before 12 PM PST