100% natural mulberry silk
Size M Suitable for head circumference 20.87''-22.83'',Size L Suitable for head circumference 22.05''-25.59''
The elastic band makes this night slumber stay in place all night; Whenever you travel, this would be a hair saver
With cap sleep can keep your head temperature, reducing heat loss (75% body heat dissipation from the head), retain moisture in hair, promote regrowth and prevent drying and breaking
IF YOU HAVE VERY LONG HAIR AND A LARGER HEAD -- this might be a bit small (please refer to the following description, describe the distinction between real silk and chemical fiber silk)

Technical Details

Product Details

Package Dimensions
Width : 8.5 inch
Height : 2 inch
Length : 8.9 inch

Shipping Weight: 0.64 ounce (View shipping rates and policies)

ASIN : B01N0J5MEK