100% Silk Imported Silk Pillowcase: This premium pillowcase keeps hair and skin smooth. Many dermatologists recommend a pure silk pillowcase for its smooth surface that helps reduce hair breakage and minimize facial wrinkles. 100% Pure Charmeuse Silk: Pure silk covers both sides of this luxurious pillowcase. Beautifully smooth and soft, this lovely pillowcase dissipates static electricity and retains moisture, preventing dryness. Hypoallergenic Pillowcase: This silk pillowcase is super smooth, allowing hair to slide along the surface without tangles or knots. It is also hypoallergenic and very breathable. Envelope Style Pillowcase: With an envelope flap closure, this silk pillowcase for hair and skin will stay in place all night long. Machine wash this navy pillowcase on the delicate setting and air dry. Size and Other Details: Our hair and skin beauty queen size pillowcase makes for a wonderful gift. Choose among our Queen size - 20” x 30”, Queen - 2 pack, King - 20” x 36” or Travel/Toddler pillowcase sizes.