The Rock Hard Mega Firm Mattress is our firmest mattress ever, perfect for those seeking maximum support. It features a core of 1500 strong pocket springs that contour to your body, offering blissful pressure relief and strong orthopaedic support. This mattress has an extra-firm feel and includes a temperature-regulating insulator pad for optimal sleeping temperature. Additional steel along the border provides a fully supported mattress edge, and the tufted sleeping surface enhances stability and durability. It comes with a 5-year guarantee. The mattress is double-sided with turning handles, allowing for easy flipping to maintain its longevity. It also features air vents for a fresher sleep environment.