Made of 100% organic cotton. Sham features a button closure. Reverses to same pattern as front with a white background. This product meets the strict requirements of the Global Organic Textile Standard (GOTS), the worldwide leading processing standard for organic textiles to ensure a healthier home for you and better planet for all. Standard Sham: 20" h x 26" w Includes Two gently used King Duvet Covers and 2 standard shams (I like to have an extra duvet so rotate when sheets are changed) I used on a queen bed so that the duvet could hand a little lower on edges.