Features: 1.Premium material: Made of high quality material,durable and breathable. 2.These mask can protect you against dusts, make your outdoor activity safer. 3.Elastic adujustable ear loop to secure the cover in place and customized face-fit for adult. 4.Everyone' can adjust the size by pulling the face mask to fit the face closely. Suitable for all face shapes,breathe smoothly without resistance.    Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:Non Woven Fabric Package List: 10/30/40/50x Masks