General Features: This queen mattress features 100% cotton 300 thread count fabric with double piping accents, a 3" pillow topper with unique memory foam clusters, a 2" 4 lb ventilated memory foam layer, 3" wide foam encased edge support, 4" high rebound convoluted foam and 4" high density support foam. The ultra duvet quilting design delivers maximum comfort and support while memory clusters cradle you in pressure relieving comfort. The rejuvinating memory foam layer sleeps cooler and increased edge support and base foam provide durability. 20 year warranty. The 9" wood queen foundation features a sturdy 9" universal wood constructed foundation, a thick white cotton blend quilted border and a chemical free natural fire barrier.