The Rock Hard Mega Firm Mattress is our firmest mattress ever, perfect for those prioritizing support. It features a core of 1500 strong pocket springs that contour to your body, offering blissful pressure relief and strong orthopaedic support. The extra-firm feel is enhanced by a temperature-regulating insulator pad, ensuring optimal comfort throughout the night. Additional steel along the border provides a fully supported edge, and the tufted sleeping surface enhances stability and durability. This mattress comes with a 5 Year Guarantee. It has air vents for fresher sleep and is double-sided with turning handles for longevity. The mattress is also recyclable.