This two sided pillow top mattress is full of quality, giving you a comfortable, long wearing mattress. Excellent support with Individually Wrapped Coils, with smaller diameter coils around the outside edge for additional support and better mattress surface use. Comfort layers include Convoluted Foam for pressure relief and Gel foam for added support and a cooling effect. Enjoy this plush mattress on your back or side then occasionally flip it for instant refreshing of your mattress.