The Mulberry Silk Sleep Mask seamlessly blends luxury and practicality, with adjustable straps designed to fit all head sizes for a personalized, comfortable fit. Crafted from premium 19 Momme Mulberry Silk, its ultra-smooth and cool texture minimizes friction, protecting skin and hair from overnight damage.Filled with 100% pure silk - not polyester - and thoughtfully designed with a fill weight that effectively blocks sunlight, it offers a breathable, hypoallergenic experience that promotes a restful and indulgent sleep. ·Features an adjustable elastic strap with a Mulberry Silk cove ·Filled with 100% Mulberry Silk at the ideal density, tested to effectively block sunlight and promote restful sleep. ·Surpasses the strictest OEKO-TEX(R) Standard 100 certification (Class I) for not containing any harmful chemicals