Orthopedic quilted sprung mattress: Get a medium-firm mattress. Health: Designed to promote blood circulation and relieve pressure points. Available in 4 sizes: single, small double, double and king sizes. Convenience: Comes vacuum packed and rolled for your convenience. Cool touch: Helps you sleep at a more comfortable temperature. Supportive: Memory spring mattress to offer great support whilst you sleep. Orthopedic Memory Sprung Mattress | Single | Living Social