Ikea Emmie Ruta Duvet Cover and Pillowcases, Full/Queen, Gray 100% Cotton Imported Yarn-Dyed; the yarn is dyed before weaving; gives the bedlinens a soft feel Decorative ribbons keep the comforter in place You can easily vary the look in your bedroom with this duvet cover, because the sides have different patterns 152 thread count No optical brightener has been used