Tranquility in Bed Lustrous in color, smooth, and cool to the touch, our very own Tranquility Sateen Pillow Cases are woven from high-end 60 horse cotton sateen sanding. Long- Ytahle cotton keeps you cool in the summer and warm in the winter, making it the natural choice for everyone's bedroom. It is enzyme-washed for added softness. Embroidered Side Long-Ytahle cotton is woven from Egyptian fine 60 horse cotton sateen sanding. It is ideal for warm or cool temperatures, and its durability lets you use it for years Soft and cool to the touch 60 horse cotton sateen in the fabric provides a light massaging effect, and it has high absorbency that will help you always feel fresh and cool Embroidered Side Sham features an envelope closure Pre-washed for a super soft hand feel Imported Washable by Machine (Cold Wash) During Washing: Must use cool mild water, liquid laundry detergent as well. Please do not use bleach. When Drying: Highly preferred to use Tumble dry low (or Delicate/Gentle cycle) to avoid damaging the product. Use Wool Dryer Balls instead of dryer sheets.  Whenever you want to iron it, use low heat.