I was really excited to find sheets online that said they were made to fit an olympic queen mattress. As you would probably agree, finding sheets to fit the olympic queen size is pretty difficult. However, when I got these sheets and tried to put them on my bed they were way too small. I could not even get the fitted sheet to come close to fitting around the last corner. I was very disappointed with them. (if it might help you decide sizing for your bed, I got a tape measure out and got these dimensions for my bed: 66 X 80 X 12) I did also notice the sheets wrinkle really easily, which is not something that really bothers me, but may bother others. They have a heavy feel to them. Lastly, other reviewers mentioned a smell. I only noticed that the sheets smelled like the plastic they come packaged in. After one wash, the smell was gone. On a positive note, Overstock worked with me to get these sheets returned and offered me a refund. I was relieved that Overstock was easy to work with.