With supportive memory foam that cradles every contour, this twin XL mattress from the Joseph Collection offers an instant upgrade to elevate your sleeping experience. High-quality CertiPUR-US certified foam ensures you can feel confident about investing in this mattress for any member of your family. Explore the wide range of sizes available from the Joseph Collection to find the perfect fit for any bedroom in your home. Length: 38.0 Width: 80.0 Height: 6.0