Serenity is the mattress that gives you increasing vitality, energy, happiness, and youthfulness. It has a core of high-density highresiliency (HR) foam having an air-breathing sponginess. The HR foam has a topping of extra bouncy high density super soft foam and a thick layer of comfy elastic memory foam. This mattress consists of profiled cutting foam as the basis of its acupuncture formulation, which provides a relaxing sleep and a healthy life. The fabric that goes into making this mattress comes from natural bamboo fibre.