** Breathable Mattress Design ** : All size mattress are designed with soft knit fabric on the top cover which is breathable and skin-friendly.High density memory foam under the cover promotes air flow when sleeping on this King size mattress.Breathable surface keep cooling all night long. ** Safety and Comfortable ** : All size mattress are crafted for safety, durability, received the International Chiropractors Association's endorsement and can help people achieve a healthier sleep life. Made without harmful substances, our memory foam and fabrics comply with all applicable mandatory and voluntary safety standards for mattress products. ** Low Motion Transfer High Quality Individuall Pocket Springs ** : The inside of the spring mattress is composed of isolated pocket springs to prevent the spring from aging and prolong the life of the spring. The independent pocket spring mattress makes the body's force more balanced, can relieve the pressure on the body, and bring you a good night's sleep.