Silk mask and scarf (180*100 cm) set. CERTIFIED CWA 17553 and UNE 0065/2020 mask. OUTER LIYER SILK · Double integrated filter. DO NOT REMOVE. Inner layer in contact with the skin: silk. Adjustable elastic on the ears. Antibacterial an hypoallergenic. WASHING INSTRUCTIONS: Hand wash (80 washes). Iron without steam to desinfect.