LILYSILK Natural Silk Pillowcase 19 Momme Pure Mulberry Both Sides for Hair Charmeuse Hypoallergenic King 20x36 Inch Light Green 1pc with Gift Box PURE 19 momme <span class="a-text-bold">MULBERRY SILK</span>- Most pillowcases on the market are not mulberry silk and are not 19 momme for durability and quality. Modern science has shown that silk proteins increase hydration to the epidermal cells and decrease moisture loss from the skin. Research has also shown that sleeping on cotton does actually increase wrinkle formation on the face.Silk is your correct choice. GENUINE <span class="a-text-bold">DOUBLE SIDED SILK-</span> both sides of the case are 19 momme Mulberry SIlk- unlike other cases. <span class="a-text-bold">NIGHT TREATMENT</span>- Not only do you get improved sleep at home or while travelling, but it also adds to your beauty night time regime. <span class="a-text-bold">Light As a Feather</span>-Silk is well-known for its light yet strong feature. A peace of our silk camisole weighs only 34g,even less,which roughly equals to 10 pieces of paper or 9 feathers. You can easily put it in your bag or suitcase when you work out or travel. BEAUTIFUL <span class="a-text-bold">GIFT BOX</span>- The silk pillowcase is presented in a beautiful gift box,perfect for a present and for travelling. The Gift box is sealed for hygiene for your safety and to ensure you are getting a quality product. <span class="a-text-bold">ENVELOPE CLOSURE:</span> is designed to prevent any occasional scratchings of metal/plastic zippers so the silk lasts longer. COLORS: We have more than <span class="a-text-bold">15 colors</span> for you to choose.