Fabric Tips: 100% Mulberry Silk, No harmful substances. Design: Roomy cap design with extra space for a relaxed fit. Fit: No elastic strap — gentle on the head, no pinching. Fastening: Adjustable back tie for a secure, personalized fit. Hair Type: Suitable for all hair types, especially long, curly, or thick hair, and for maintaining natural volume. Details: Made from pure mulberry silk, this sleep cap offers full coverage and breathable comfort. The adjustable tie allows flexibility for different hair lengths while preventing pressure or tightness during sleep.