Design Weave Fresh Slumber Performance Pillow Case, Standard, Ivory Sateen; 80% Cotton/20% Polyester Imported 400 thread count sateen fabric made from 80% cotton and 20% polyester Includes 2 standard pillowcases: 20x30-inches Reduces humidity for drier sleep and more comfortable nights Single needle hem Machine washable and tumble dry 400 thread count Sateen fabric made from 80% Cotton and 20% Polyester Includes 2 standard pillowcases: 20x30-Inch Reduces humidity for drier sleep and more comfortable nights Single needle hem Machine washable and tumble dry