Reusable mouth and nose protection, breathable, neither a medical product nor a personal protective equipment (PPE), for private use only, Prolen Siltex retains antibacterial properties for 20 washes, size: 22x10cm, individually bagged, hand wash, excluded from exchange and return. 90% cotton, 8% Prolen Siltex (antibacterial, integrated silver particles), 2% elastane