Product Description: The Next Generation Bed Frame - The SmartBase Mattress Foundation by Zinus. Provide your mattress with optimal support atop the SmartBase platform bed from Zinus. It features a sturdy steel frame that assembles in minutes, no tools required. The SmartBase eliminates the need for a box spring as your memory foam, spring or latex mattress should be placed directly on the SmartBase. Uniquely designed for optimum support and durability the strong steel mattress support has multiple points of contact with the floor for stability and prevents mattress sagging, increasing mattress life.