Coyuchi 300 TC Organic Sateen  Pillowcase Set/2, Standard/Queen, Undyed 100% Organic Cotton Imported Sateen Pillowcases 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 Pillowcases 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