This Wall Bed can be ordered with the mattress in either horizontal or vertical position. Standard Features: *Gas piston with positive close mechanism with Limited Lifetime Warranty * Max mattress depth of 10" *Sides are manufactured hardwood * Face is American Hardwood flat panels **Please click link below for optional side units. Please Note: This bed must be attached to a wall! We recommend using 4 heavy screws into solid wall studs. As always, this bed is available in your choice of wood species and stain colors!