If you are looking to add a little height to your bed or just simply extend the life of your Beauty Sleep® mattress, the Beauty Sleep® flat mattress foundation is the perfect solution. Designed to provide long-lasting comfort, the Beauty Sleep® flat bed foundation includes a spruce framework and welded steel elements for greater support and durability.  Included: 1 Box Spring(s) Manufacturer Warranty: 10 Year Limited Bed Size: Twin Measurements: 5.5 Height/Inches, 38 Width/Inches, 74.5 Length/Inches Maximum Weight Limit: 850 Lbs Base Material: 70% Wood, 30% Metal Care: Spot Clean Certifications And Listings: Certipur-Us Certified Country of Origin: Made in US