Design and functionality: ultrasound-welded headbands: adjustable nose bridge to improve fit and reduce lens fogging: foam padding around the nose bridge for added comfort: high-performance exhalation valve to reduce heat and provide comfort when working in hot and humid conditions: comfortable cup-type mask: display box that helps with selling presentation: CE certificate. Materials, size, and range: pp. Ethylene and vinyl acetate foam. Available colors: white. Standards: BSI Group The Netherlands BV. AS/NZS 1716 (P2). Niosh N95. EN 149 FFP2 (NR).