These sheets are comfortable (more comfortable to me than cotton) and best of all fit my temper bed. I love the elastic straps that go under each corner of the bed to even better hold the sheet on. The only problem I have with anything temper is that the pillow cases are cut short and made cheaply. Standard size pillows stick out the end of the pillow case. The pillow case end is folded but not sewn which looks sloppy and does not contain the pillow.