I Bought This For My Spare Room. It Took Forever To Arrive, But Looks Great. I Saw On Another Website That The King Size Could Be Used On A Cal King With Some Extension Pieces. I Haven'T Yet Worked Out How To Do That, But It Stays Up Nicely Just Tucked In Behind The Bed And Leaning Against The Wall. Not Sure How Long This Set Up Would Last If Someone Was Using The Bed Every Day.