Sealy's mattress-in-a-box comes in both memory foam and hybrid mattresses with 8'', 10'', and 12'' profile options. Read honest and unbiased product reviews from our users. Find helpful customer reviews and review ratings for Sealy 12" Memory Foam Mattress Queen at Amazon.com. With it's lightweight design for transportation and simple setup, Sealy … A Mattress For Every Kind of Sleeper. Corrections: Have an update or correction to our information about Sealy 12" Memory Foam? Our unique combination of premium memory foam provides universal comfort and support for every unique preference. Clear Filters. Memory Foam Queen Mattress brings the comfort of Sealy straight to your door. Innerspring Memory Foam Hybrid … Memory Foam … This Twin 12-inch memory foam mattress combines distinct layers of foams—including a top layer infused with CopperChill™—to provide comfort and support for all sleepers, and the 12-inch silhouette has even more foam for the most rejuvenating Mattress … The Sealy 12 in. Following suit with many online mattress brands, Sealy now offers a line of mattresses that are shipped in an easy to move box. The 3 in. Memory Foam Queen Mattress The Sealy 12 in. About this Model 12" Memory Foam Status: Active manufacturer: Sealy Model Name: 12" Memory Foam Additional Information 12" Memory Foam Description: The 12" Memory Foam is an unquilted medium mattress model that is manufactured by Sealy. Whether you prefer springs, memory foam, or a combination of both— Sealy has a mattress to support your needs. Sealy Mattress-in-a-Box.