Storage space under the chaise. The lid stays open so you can safely and easily take things in and out. You can angle the loose back cushions any way you like, and adapt the seat depth and back support to suit your needs. You can place the chaise section to the left or right of the sofa, and switch whenever you like. The cover is easy to keep clean as it is removable and can be washed. This sofa converts quickly and easily into a spacious bed when you remove the back cushions and pull out the underframe. Durable, cotton and polyester cover with texture and a soft feel. The seat depth and total height depend on how you angle the loose back cushions. 5 back cushions included.