The 5 Inch Memory Foam Mattress will work with most daybeds, trundle beds, and bunk beds, providing conforming comfort with a memory foam layer that molds to the natural shape of your body. The full support high density foam base layer provides long lasting durability and stability. Smartly Shipped - Our patented technology allows our mattresses to be efficiently compressed, rolled and shipped in a box conveniently to your door. Please allow 48 hours for your new mattress to return to its original shape. 10 years limited warranty. New comfort innovation from OUUI.