Pieridae Non Iron Plain Duvet Quilt Bedding Cover and Pillowcase Bedding Set. This polycotton percale fabric is produced with the highest quality 180 thread count yarns, to give a soft handle and durability that will last wash after wash and requires minimal ironing. Our non iron percale is available in a range of sizes and colours to enhance any room. This is one bedding set you will not want to remove. Made from polycotton percale and the bedding set is machine washable at 40 degrees and suitable for tumble dryers.