Offering silk pillow cases in two kinds of silk. Pure mulberry silk satin in 22 momme weight. The other silk is pure silk, handcrafted in Vietnam. If you prefer a less shiny satiny silk this handcrafted silk gives you an elegant look, more discreet look. Sleeping is what we need to do to live. Sleeping on silk is soothing to our skin, prevents wrinkles by not tugging on the skin, prevents your hair from getting frizzy while you sleep. It helps keep the skin hydrated because it does not absorb moisture like cotton and other fabrics.