The AllModern Elsmere Upholstered Convertible Sofa doesn't have a system, just unclip the leather straps to the back cushions to expose additional mattress space. We enjoy the simplicity in the hybrid system on our best worth pick, the Write-up Nordby Pep Sofa Mattress as well. Long-Lasting Frame Building Sleeper sofas https://asenacaw604uen0.ssnblog.com/30380113/what-are-murphy-beds-secrets