Fabric Tips: 100% Mulberry Silk, free from harmful substances. Design: Gathering and cross-knot details at the top and front add volume and dimension. Fit: Elastic back offers a gentle, secure, and comfortable hold. Fastening: Stretch band adjusts effortlessly to stay in place through the night. Hair Type: Suitable for short to medium-length hair. Detail: Crafted from pure silk to reduce friction, prevent breakage and frizz, and keep hair smooth and glossy overnight.