The Symbol Comfortec name stands for "Comfort Enhanced through Technology." The best of both worlds is combined to give you a state-of the art foam and spring mattress. Mattress includes a foam encased perimeter that enhances your sleep and provides a superb to the edge of the mattress sleeping surface. Set is sold with mattress and box. Choose your size set from the drop down menu. Features and Benefits of the Comfortec Mattress: • High density foam encased perimeter • Individually enclosed coil support • Luxury Foams • Luxurious upholstery cushioning • Single-sided mattress, reduced maintenance mattress • Hypo-allergenic, anti-microbial ticking • Firm, plush or pillowtop comfort levels • Visco, memory foam comfort layers • Natural latex support layers • Ultraloft fiber • Total perimeter support for superior sitting and sleeping comfort • Dynamically conforms to your body, cradling you in an ideal sleep environment for proper spinal alignment and eliminating motion transfer from one side of the bed to the other. • Highest quality foam creates the most durable and resilient comfort layers. • Never needs flipping • Ticking is designed to prevent the growth of bacteria, mold & mildew • Your choice for the perfect balance of comfort and support • Conforms and molds to your body for superior comfort and support • Conforms naturally for proper spinal alignment and comfort • Creates a luxurious surface feel • 10-year limited warranty