The ComfortCare® Linwood Firm Mattress, by Restonic, provides a Firm, comfortable sleep surface. This two sided mattress, a great value, with several premium components without the premium price. Using the 800 series individually wrapped coil unit, you'll feel the support across the entire mattress as each coil conforms to your shape. Layers of foam, including Gel Foam and AirFlow Fiber, provide pressure relief and a cooler sleep surface. This is a good mattress for a back or stomach sleeper.