The Relyon Orthofirm 1400 Pocket Mattress is an extra firm, orthopaedic mattress with high levels of support. It's the perfect mattress to help you care for your back. Featuring 1400 individual Posturepocket™ springs, these clever pocket springs work independently to provide support and pressure relief exactly where you need it. Edge-to-edge support means you can enjoy extra sleeping space - and no roll-off! This extra-deep, double-sided mattress is hand tufted for long-lasting performance. It comes complete with a fantastic 8 Year Guarantee for your peace of mind and Free Next Day Delivery!