This face mask features an outer layer made of 100% mulberry silk and an inner layer of breathable mesh fabric. It provides excellent sun protection with a UPF 50 rating. The mask comes with adjustable ear straps for a comfortable fit. It also includes a special opening design, allowing you to drink water without removing the mask, ensuring free and easy breathing without feeling stuffy. The mask is extended to cover the neck, with a length of 22 cm, offering comprehensive sun protection for both your face and neck.