100% Polyester Satin | Satin refers to the weave of the fabric( how it's put together) not the fiber(what it is made of).
No Knots in the morning!!! | Not only leaves your facial skin feeling soft and smooth, but also helps your curly hair be less tangled by reducing frizz.
Holds up great in cold delicate wash and better AIR DRY it hanging on a rack instead of tumble dry.
Envelop closure, open ended like regular pillowcase(no zipper)|wrinkle resistant
