GhostBed All-in-One Foundation™ Patent-Pending Box Spring & Foundation queen sized award winning all metal bed frame. All-metal construction holds up to 2,000 lbs., ensuring long term durability Height: 23cm Foundation (31cm or 38cm options with included legs) Works with any headboard/footboard/bed combination Easy to assemble with only 5 pieces plus slats Replace the need for a metal frame! Included: 1 Queen 38 cm height foundation (153 cm x 204 cm x 38 cm) 16 cm height 2-piece legs & Headboard Brackets (Optional) Slip-on contemporary cover 20-year warranty – Industry leading Protect your investment Support your mattress and extend its lifespan with a solid foundation & frame in one. Universal fit Works with all mattress types, including foam, latex, innerspring and hybrid. Fits All Standard Headboards Fits all standard headboards with included headboard brackets. Elevate your bedroom vibe Includes contemporary slip-on cover; raise the height of your mattress for a clean, upscale style. Customize your height 2-piece legs can be adjusted to either 6" or 3".