Night Therapy Spring 12 Inch Euro Box Top Spring Mattress, King Pressure relieving comfort and support from Pocketed Springs, Foam and Fiber Quilted Euro Box Top Cover, and High-density foam layers Premium motion separation for an uninterrupted nights sleep Only the Highest Quality of Foam - Foam is CertiPUR-US Certified for durability, performance, and content Smartly Shipped-Our patented technology allows our mattresses to be efficiently compressed, rolled and shipped in a box conveniently to your door