Strong and Durable Steel MODERN STYLE, EARTH FRIENDLY WONDERBOX(TM) - This modern and boldly outlined foundation updates your bedroom, and it’s shipped in a box designed to leave a smaller carbon footprint PRACTICAL AND RELIABLE DESIGN - Style meets structure with this ultra-durable metal platform that offers 12.4 inches of under-bed storage for storing odds and ends NO BOX SPRING NEEDED - Durable steel slats support and help extend the life of your latex, memory foam, or spring mattress without a box spring, supporting up to 700 lbs (Full, Queen, King) EASY ASSEMBLY - Metal slats are secured with our bolt-free Quick Lock assembly system for easy set-up in under an hour with a friend’s help; all parts, tools and instructions are shipped straight to your door in our new, earth-friendly WonderBox(TM) A 5-year limited warranty ensures lasting protection covers any manufacturing defects; mattress sold separately