The Dictator Fitness Eco Adult Face Mask has a 93.6% PFE (Particle Filtration Efficiency) rate. The Eco Mask is reusable, eco-friendly, and sustainable 2-ply mask made of 70% recycled material. Lightweight, breathable, and super-soft comfort fit for all day wear. Moisture wicking fabrication is washable and breathable. One size fits most adults.