Serta 12-Inch Gel-Memory Foam Mattress With 20-Year Warranty, Queen Price:  $719.15 (as of 18/10/2017 12:17 PST- Details)

12-inch gel memory foam mattress with deluxe cover
Our revolutionary gel memory foam is made with our exclusive open cell memory foam and gel support beads; Serta gel memory foam is designed to provide custom support where you need it most and a cooler sleep surface
A revolutionary advance in sleep technology; provides a deeply restful sleep that relaxes, refreshes and rejuvenates; made in the USA; spot clean only