At Bed Lines Etc., we carry 100% cotton, 300 thread count, in Queen XL sofa bed sheets. Your guest will love the feel of these sheets and they look great on your sofa bed. And since our XL queen sofa bed sheets are attached they will not fall off in the middle of the night. Our XL Queen sheet set includes a fitted sheet with attached flat sheet, and two standard pillowcases, and fits mattress up to 6". We also offer the option of having them unattached if you like. Our Queen XL sofa bed sheets fits mattress 60" x 80" x 6". Sometimes the XL queen sofa bed can be referred to as super queen, custom queen or true queen. Please make sure you measure your sofa bed mattress to assure the right size. If you have an odd sofa bed size please contact us as we can custom make you a set to accommodate your needs. We also offer a queen xl cotton mattress pad for your xl queen sofa bed. Our sofa bed mattress pads are made especially for sofa beds and don't look like the cheap ones you see elsewhere.