The Le Petit Masque is three-quarters of an inch shorter than standard masks to help eliminate gapping and provide a more comfortable, protective fit for smaller faces. Fluid Resistance – 80mmHg. BFE >98.4% @ 3 microns. PFE=98.5% @ 0.1 micron. Fluid resistant pink outer layer. Soft white spunbond inner layer. ASTM Level 1. Size: 6-1/4″ x 3-1/2″.