100% Pure Silk,100% Mulberry Silk,No harmful substances. Full coverage, light-blocking 3D Contoured Fit Smooth, skin-friendly surface Adjustable velcro closure Made from 100% pure silk, this eye mask offers a soft, smooth, and breathable feel against the skin. The adjustable Velcro strap ensures a comfortable and secure fit for all head sizes. The inside of this eye mask is black for better light blocking. Lightweight and gentle, it blocks out light effectively, promoting restful sleep. Available in solid colors, this luxurious silk eye mask combines comfort and elegance for daily use or travel.