Your restful retreat: Refreshed with its understated yet elegant design, our standard bed sets the stage in your main or guest bedroom. Foam-filled upholstery wraps the frame in a look that's equally cozy and refined – and we love how the wingback headboard adds an angular accent. Choose from a wide range of color options to mix and match with your space. Something to note, this bed requires a box spring to support your mattress (sold separately). Features Not recommend adjustable bases with any wing-backed headboard as the movement can cause friction between the mattress and wings and potentially damage the fabric and the motor. The headboard can be mounted to most standard metal bed frames. The product comes with upholstered side rails Leg's Material: Black metal It is recommended to use a total of 20" to not see a gap. A total of 18 inches would be close to flush, but there will be a gap as soon as someone were to lay on it. Cleaning code S, spot clean only The 433BED is the standard bed version. It requires a box spring and does not come with slats. The 433PBD is a platform and would have slats.