100 % Steel GOOD DESIGN AWARD WINNER - Awarded by the Chicago Athenaeum Museum of Architecture and Design in 2019 for outstanding design and packaging MODERN INDUSTRIAL DESIGN – Sustainable bamboo footboard coupled with a black steel frame offers a sleek, industrial inspired look NO BOX SPRING NEEDED - Wooden slats provide mattress support for your latex, spring or memory foam mattress without the need for a box spring EXPERTLY PACKAGED - All parts, tools and instructions are skillfully packed into one box for easy assembly in under an hour WORRY-FREE WARRANTY - A limited 5-year warranty covers any manufacturing defects; mattress sold separately