100% Mulberry Silk,hypoallergenic, ultra-light, and breathable for a natural, second-skin feel. Features an extra-long draped design paired with an elegant front bow, combining luxurious style with ultimate hair protection. Comfortable wide brim covers the forehead seamlessly, while the spacious long cap body accommodates voluminous hair without restriction. Equipped with a flexible elastic back band and long tie-back straps for easy adjustment to your head circumference, ensuring it stays securely in place all night. Specially designed for long, curly, or thick hair, braids, and natural curls, maintaining natural volume and preventing tangles. Crafted from smooth, breathable mulberry silk, it effectively reduces friction, static, and breakage while keeping your hair hydrated and skin comfortable. The tie is NOT made of pure silk,and it is made of spandex.