I was a skeptic hair trying this fitted sheet: for bedding, I like natural materials like good thick cotton or flax. So when I saw the 100% synthetic compo said drape ... Finally, I admit that this is not so bad: I washed at 40 ° before trying it. First advantage, it does not wrinkle. Second advantage, it is suitable for thick mattress. Third advantage, it is soft. The price is also very soft. (ServaneL.)