DESCRIPTION：Material: 100% Polyester MicrofiberSize:Standard: 20x26in/50.8x66cmQueen: 20x30in/50.8x76.2cmKing: 20x40in/50.8x101.6cmPolyester material is soft, breathable, skin-friendly, fade-resistant, durableSingle-sided envelope opening design, no zipper, easy to install and take offMachine washable or hand washable, suitable for all seasonsNOTE:Only sell pillowcases, not including pillow cores!Wash in warm water less than 40℃, do not use detergents such as bleach.Please feel free to contact us with any questions about the product, we will reply you within 24 hours and provide you a satisfactory solution!