Night Therapy Spring 13 Inch Deluxe Euro Box Top Spring Mattress, Full Pressure relieving comfort and customized support from Pocketed Springs, Euro Box Top, 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