Royal Velvet Grandeur White Down Standard Pillow 18-ounce white down Standard pillow with removable cover 1-inch gusseted sidewall construction for maximum loft; fill power rating of 600+ Removable 370-thread-count cotton outer cover; 233-thread-count cotton inner cover Treatment to prevent the growth of bacteria; machine washable Measures 20 by 26 inches; backed by an 8-year limited warranty 18-ounce white down Standard pillow with removable cover 1-inch gusseted sidewall construction for maximum loft; fill power rating of 600+ Removable 370-thread-count cotton outer cover; 233-thread-count cotton inner cover Antimicrobial down treatment to prevent the growth of bacteria; machine washable Measures 20 by 26 inches; backed by an 8-year limited warranty