HIGH QUALITY SATIN – 100% polyester satin to provide resilient feel with a distinctive and lustrous appearance. More sturdy and durable than silk pillowcases which need professional cares. MPEDOUR satin pillowcase are safe to machine wash.EXCLUSIVE GUSSETED DESIGN – Perfect shape for gusseted quilted pillow; Strong reinforced corded edge engineered for superior strength; 2 gusseted quilted sidewall provide you sweet sleep no matter you are a side sleeper or back sleeper.HIDDEN ZIPPER CLOSURE – Exquisite craftmanship of the neat stitches,with hidden zipper design. Hidden zipper closure design makes the silky soft satin pillowcase hold your pillow perfectly, preventing your pillows escaping from pillowcase all throughout the night.PROTECTS YOUR HAIR AND SKIN – Satin pillowcases are non-absorbent, helping your skin maintain maximum moisture, reducing facial wrinkles. Satin pillow cases also provide a smoother surface for your hair, and will keep your hair tangle and frizz free.Perfect Customer Service – MPEDUR Guarantee 3 months Warranty for our High Quality Satin Pillowcase with Hidden Zipper Set of 2. If there are any problems, please do not hesitate to email us, our customer service team will work with you to make it right!