Sleep High Spine Health Care Model Especially Design To Help You Achieve A Relaxing, Energizing Sleep, So You Can Feel Better From The Moment You Wake Up, Our Mattresses Are Designed To Relieve Back Pain. The High Density Rebounded Foam With Active- Memory Foam Combined With Our Dual Performance Edge Design (Hard Rebounded Foam On Lower Side And Soft Memory On Upper Side) Makes Posture Support The Perfect Choice For Those Who Focused On Back Relief..