I have looked at so many places for fitted sheets that would fit my pillow top mattress, and these sheets fit up to 22 inches deep, and the flat sheet fits and tucks properly on my bed. It's Egyptian-Quality Cotton, and we love it. I recently purchased another set and they work wonderfully. Keep them on your shelves, because I will be ordering more, and I can't find them anywhere. The price is excellent for a King bed. Fits good, feels good, and looks good. All for a good price!!!