Material: 100% premium cotton velvet for both side, with hidden zipper.Size: 20 x 26 inches and 20 x 30 inches fits most standard and queen size pillows, 20 x 36 inches fits king size pillows.Smart Design: With the hidden zipper design, it??s convenient to insert and take out the comfort, without influence the beautiful pattern.Skin Friendly: Made of premium cotton fabric, the pillowcase is breathable, ultra soft and hypoallergenic, have a cozy time with Domiking pillowcases.Easy care: This pillowcase is machine washable, with good wrinkle resistance and state of the art print technology, the color won??t be faded. It??s very easy care.