The inner and outer layers are made of soft knitted fabric, made of 100% light and soft cotton. The mask is soft and comfortable, and the elastic fabric is close to the face. High quality cotton cloth . So you can hand-wash and wear the same cotton cloth for many times. It's skin-friendly, breathable and comfortable to wear for home, office work, socially distanced commute, walks, bike rides. High elasticity adjustable earrings, adjustable mask strap length to fit everyone's needs from small to large size. Size 8.5 " x 5.25 "