At Bed Lines Etc., we carry Queen sofa bed sheets in our all cotton collection in a 500 thread count. They are beautiful and luxurious. Your guest will love the feel of these sheets and they will dress up your sofa bed. And since our Queen sofa bed sheets are attached they will not fall off in the middle of the night. Our 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 sofa bed sheets fits mattress 60" x 74" x 6" Please make sure you measure your sofa bed mattress to assure the right size. We also offer cotton mattress pads for your Queen sofa bed. Our queen sofa bed mattress pad is made especially for queen sofa beds and don't look like the cheap ones you see elsewhere.