100% PolyesterPillow cases tandard size 18 x 18 (inches), Weight about 50gEase of Care – Anti-Fade, Anti-Stain, Anti-Shrink and Anti-Wrinkle. Machine wash in cold. Quick dry. More durable than cotton. Great gift idea for men and women, Mom and Dad, Valentine’s Day, Mother’s Day, Father’s Day and Christmas.Helps Sleep – Sleep better and wake up each morning feeling refreshed and full of energy. Silky soft, most comfortable pillowcases you can find. Best for any room in your house – bedroom, guestroom, kidsroom, Car, Garland, Farmhouse, Couch Sofa, office, Armchair, Bed and so onUnconditional Refunds and Returns: When you receive the package, if you have any problems with the product, please write an email to us, we will handle it for you and get a 100% full refund service.