Square and oblong polycotton single pillowcase 50 cotton 50 polyester densely woven 57 threadscm lasting comfort extremely hard wearing the higher the thread count the higher the quality of the weavepolycotton single pillowcases with ruffle both square and oblong styles have a wide flap to keep the pillow in place5cm flat ruffleexcellent colourfastness after repeated washing 60c quick drying non iron