Construction Woven of 100% cotton sateen. Sham features an envelope closure. Reverses to same. Shams sold in sets of 2 or 3. Duvet cover and insert sold separately. Imported. Standard Sham: 20" h x 26" w Euro Sham: 26" sq King Sham: 20" h x 36" w Care Machine wash in cold water; gentle cycle. Only non-chlorine bleach when needed. Tumble dry on low heat; remove promptly. Warm iron as needed.