Queen Memory mattresses represent a new technology. Queen Memory mattresses are 30 cm thick with Bonnell springs with a perimeter steel neck inside. Moreover, the combination of our high-quality Ergo Foam ensures the stability of the mattress. It also has Foam High Resistance, High Quality Ergo Foam and Memory Foam in its last layer. The combination of these flexible materials embraces the body offering a unique sense of relaxation and rejuvenation.