Made from selected mulberry silk, effectively reduces hair friction and maintains hair moisture and shine. The cleverly designed elastic band ensures a secure fit, providing all-night protection. 100% Mulberry Silk, free from harmful substances. Extended wide-top design, providing ample space for extra-long or voluminous hair. Partial elastic band combined with a generous cap body, ensuring comfortable wear without tightness. Elastic band at the opening provides secure hold and good encapsulation. Suitable for all hair types, especially long, curly, or thick hair, and for maintaining natural volume.