Features:
<br />Ultra thin, stretchy, breathable, anti-bacteria, radiation proof, comfortable, and safe
<br />Helps burn the excessive fat while sleeping
<br />Breathable, comfortable
<br />Adjustable With buttons 
<br />Anti-slip natural rubber for scalp 
<br />Keep young and face slim while sleeping
<br />Size base on measure the circumference of the face.Circle around the face with a ruler.
<br />Material:85% nylon, 15% elastic resin, special natural rubber
<br />Color:Black
<br />Size: M-approx. 22\