60 inch sofa bed. What is good with this sofa is that it is easy to convert to multiple positions of the arm settings. Get 5 in rewards with club o. First of all this couch from dhp is designed for your small space home that comes with rich linen upholstery and chrome legs. We offer sleeper sofa sheets in the correct sizes and we also offer a choice of mattress depth from up to six inches and up to twelve inches.