FREE COMBINATION:This is a sectional couch,there is a metal sheet to connect each seat,but do not have connection for the ottoman,you can remove the ottoman freely. COMFORTABLE :The seat cushion with pocket coil spring and polyester filling,upholstered soft chenille fabric,the sofa is quite soft and comfortable.It's a good choice for rest or take a nap in the living room. STABLE STRUCTURE:The structure of sofa is composed of solid wood and serpentine springs,it's strong enough to support three adults. REMOVABLE COVERS:Both the seat cushion and back cushion covers are removable and washable,there is zipper to take it off. ASSEMBLY NEEDED:All tools and parts and instruction are included in the boxes,quite easy to assemble.