Coyuchi 300 TC Organic Sateen  Fitted Sheet, King, Undyed 100% Organic Cotton Imported Sateen Sheet 100% Organic Cotton Mashine washing on the gentle or delicate cycle with warm water and non-phosphate soap. Line dry or tumble dry low and remove promptly. Sateen Sheet 100-percent Organic Cotton Machine washing on the gentle or delicate cycle with warm water and non-phosphate soap. Line dry or tumble dry low and remove promptly 100-percent Organic Cotton Machine washing on the gentle or delicate cycle with warm water and non-phosphate soap. Line dry or tumble dry low and remove promptly