Layer 1 Premium White Spunbond PP Layer 2 30 GSM 99.6% BFE filtration layer Layer 3 Premium White 100% Virgin Spunbond PP Layer 4 Premium White soft, Skin friendly fabric Layer 5 N/A Nose pin - Ultrasonically welded Aluminium Ear loop- Ultrasonically welded Non latex BFE - â?¥ 99% PFE - 95% CE Certified - Yes ISO Standard ISO 13485:2016 FDA Yes