The Zinus Armita 9 inch High Profile Smart Box Spring, Full, gives your mattress strong and reliable support. Made with a durable steel frame and a sleek poly jacquard cover, it helps keep your mattress in good shape over time. The updated design uses fewer bolts and tool-free brackets, so you can set it up in just minutes with easy step-by-step instructions. It comes in a compact box with everything you need—including a worry-free 5-year warranty—for simple and dependable support. Age Group: Adult, Universal