Cotton/polyester face masks, made from a soft, comfortable, quick-drying material meaning the face masks are reusable, hypoallergenic and non-irritating. White colour. Size: 20cm x 15cm. 185gsm cotton: 35% polyester 65%. No chemicals or glue are used. Machine wash up to 95oC, do not use fabric softeners, do not tumble dry or dry on sources of heat (eg radiators). Can be ironed using a low heat setting.