From the Soprano collection by  Peacock Alley, this duvet cover features: For those in the know, Soprano sheets and Peacock Alley are almost synonymous. It has been a part of our line for decades because of its supreme quality and buttery soft feel. Complete your bed with our Soprano sateen duvet available in a variety of neutrals to complement your style. 100% Long staple cotton 420 thread count sateen sheeting Duvet cover is constructed with a 4" flange on three sides with a knife edge finish at the top Features a button closure on the back Twin/Twin XL duvet cover approx. 68" x 90"  Full/Queen duvet cover approx. 90" x 90" King/California King duvet cover approx. 105" x 90"  Made in Portugal  Machine wash cold, gentle cycle. Do not mix colors, do not bleach or use fabric softener. Tumble dry low, remove promptly. Warm iron, if needed. May be professionally cleaned All natural fibers will shrink to some extent. You can expect about 3% shrinkage with cotton. To minimize shrinkage avoid hot water washing and high heat drying. Available in a  flat sheets, fitted sheets, shams, euro sham and as a sheet set (sold separately)  Duvet insert sold separately  Imported.