Fabric Tips: 100% Mulberry Silk, free from harmful substances. Design: Classic sleep cap silhouette with a wide front band, elegant and refined. Fit: Loose and comfortable, effectively reduces head pressure and hair friction. Fastening:Elastic back design for easy wear and comfort. Hair Type: Best for short to medium-length hair. Details: Made from premium mulberry silk, the double-layer design effectively reduces friction and frizz while being more durable and resistant to deformation.