NOHO HOTEL CLASSIC 450TC Duvet Cover Set 100% Egyptian Cotton Sateen Stripe King Black. 450 Thread Count Stripe Sateen Duvet Cover set 100% Egyptian cotton King set measures 106" W x 92" L and includes two king shams 20x36" each. Duvet covers slip over your existing comforter creating new luxury look with button down Washing Instructions: Machine wash in cold water with similar colors. Tumble dry low. Do not bleach.