Rest Rite EcoComfort 9 in. Engineered Latex Foam Mattress is manufactured in a sealed pressurized chamber, using pressure rather that chemicals to control the foam's properties. The removeable and washable micro-quilt cover ensures you will always have a clean sleep surface. 1.5 in. high density convoluted high resilience foam provides long lasting comfort and support. The 2.5 in. engineered latex foam contours and responds to your individual shape. Supported by a 5 in. high density foam base. Product is supported a 10-year limited warranty. Available in King, Queen, and Twin XL size. Firm comfort level.