Sareer Matrah Orthopaedic Mattress in a Box - 3ft Single; It39;s hard to beat the Sareer Matrah Orthopaedic mattress when it comes to quality and value for money.It39;s supportive, comfortable and most importantly, cheap. To create a smooth and flat sleeping surface, a micro quilted process is applied to the mattress by attaching its outer damask cover to the surface layers in a quilted pattern. Traditional open coil springs make up the foundation of the mattress, whilst layers of hypo-allergenic fillings create an ideal sleeping environment for allergy sufferers. At the core of the mattress is a strong open coil interior that consists of hourglass shaped springs, set in rows running from head to toe and connected into one single unit by a spiral wire, known as a helical wire. It is designed to be one-sided and does not need to be flipped over; simply rotate it regularly for long-lasting comfort and support. For ease of delivery, the Matrah Orthopaedic mattress will come to you vacuum packed in a roll.Once unpacked it will fill out to its full and permanent size within a couple of hours.