[Holds Style & Retains Moisture] Help retain the moisture in your hair, eliminates breakage while sleeping. Keeps your hair style fresh and frizz free. [Comfy Elastic Band] Pretty snug, stay on all night but NOT too tight, no mark on forehead. It's large and the band is soft to the skin. [Breathable Dual Layers] Satin fabric can help lock hair moisture, let you feel warm or cold days and cool on hot days. [Premium Quality] Silky smooth light-weight satin fabric. Unlike other satin caps, this long satin cap is really soft and comfortable.