Dura-Mesh shell resists collapsing in heat
Molded nose bridge seals easily 
HandyStraps allow mask to hang down around user's neck when not in use
Soft spun lining for increased comfort
100% PVC Free
ANSI/ISEA 110-2009 Section 7.11.1 Flame Resistant
NIOSH Approved: N95
Box of 15 Masks / Case of 12 Boxes