Polyester Satin: Experience the luxury of our satin pillowcases. Made of woven polyester, these satin pillowcases have a smooth finish and are durable, even through heavy washing and wear. Wrinkle-free and stain-free, non-fadingGood for skin and hair: Satin pillowcase ensures perfect glide, keeps skin soft and moisturized to beautify your face, sleeping on satin pillowcase can reduce frictionEnvelope Closure Design: Envelope Closure Design (No Zipper) | Protects your hair from damage, tangles, breakage, tangles and hanging. Wrinkle-resistant, comfortable, better fit, and easy to replace. Plus, the no-zipper design allows for machine washing.Easy to Clean: Turn the satin pillowcase inside out, put it in a mesh laundry bag, and wash with mild detergent. The cool luxurious satin pillowcase will stand up to washing in cold water and is best air dried rather than tumble dried.