Fabric:100% 19MM mulberry silk on both sides.IF YOU ARE SENSITIVE TO LIGHT?? PLEASE SELECT DARK COLOR.</br>Comfortable and breathable?? relieve eye fatigue: 100% high-grade double-sided mulberry silk fabrics. They are very soft and breathable?? which can effectively alleviate eye fatigue;</br>Unique design of elastic adjusted length: Orose adopts unique elastic design?? which will be no tightening feeling. They can minimize wear on the skin and hair of the trench?? wearing more comfortable.</br>Science and stereo structure design?? more joint eyes: Orose eyewear design considering the facial structure of European and American people. So it is a blend of 3 d structure design and perfectly fit all kinds of face?? which refuses to light-leaking!</br>Exquisite packaging?? good choice for gifts: The package of Orose patches is very elegant?? luxury and