Crafted from pure silk inside and out. Silk fibers are less absorbent than other fibers, so they help keep your skin’s moisture along with face and hair products. The silk can help reduce friction, too, which also aids in reducing stretching and tugging on delicate facial skin. * Size: 20” x 30” ( 51 cm x 76 cm ) * Closure: Invisible Zipper Closure * MACHINE WASHABLE delicate cycle * anti-aging, anti-sleep-crease and anti-bedhead * highest grade mulberry silk, thickness of 22 mm, non-toxic dyes