100% Mulberry silk. Silk has lowest frictional irritation to human's skin among all kinds of fibers. BREATHABLE silk are widely acknowledged as 'human's secondary skin' and lauded as 'Queen of fibers'. It stays on all night and light as a feather.</br>With teeming hydrophilic groups and multi-porosity the protein fiber of silk can help intake and keep moisture.</br>Silk on the body plays a certain massage role that can prevent wrinkle when rubbing against the skin. It strengthens the activity of epidermal cells and reduces the possibility of microbes' breeding.</br>Size: length: 20.5cm/8.1in; widest width: 9.5cm/3.7in; narrowest width: 7.45cm/3in; adjustable band length: 50cm/19.7in. MSSilk silk sleep mask is protected by a fine pouch the pouch will be sent at random.</br>Adjustable band fits the MOST say goodbye to dry eyes and blurred vision after using this</br></br>Product Description</br></br><b> Skin-friendly lining and filler</b> <br> The lining is made of pure silk which is skin-friendly to the delicate skin with essential amino-acids. It's light as a feather and perfect for breathability. The filler is the queen of all fibers mulberry silk. These fibers arise from the natural cocoon made by the bombyx mori which is raised under extremely controlled circumstances. <br> <br> <b>Improving the quality of sleep</b> <br> Known as a beauty treatment for centuries in Eastern Cultures?? silk is a natural way of keeping wrinkles at bay. As you sleep?? MSSilk silk eye mask helps redu