Night Therapy 7-Inch Memory Foam Mattress with Viscolatex Layer, Queen, Off White 2 inches premium quality memory foam, 4 inches sequential body-conforming Visco-Latex foam, 1 inch high-density foam. Provides firm support. Ideal for back sleepers and stomach/side sleepers who want memory foam comfort and support. CertiPUR-US Certified Limited 5 year warranty