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" Please Note: Memory Foam Mattresses may be too heavy to allow proper bed functions. *Sides are manufactured hardwood * Face is American Hardwood flat panels **Please click link below for optional side units. You may pick and choose any side units listed in this link for your bed. You can also customize any side unit for an additional fee. You dream it - we build it! 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!