This sumptuous silentnight rio miracoil mattress brings incredible comfort and support this exceptional mattress offers world famous miracoil springs to ensure a perfect nights rest it comprises of three supportive zones for pressure relief on your hips back and shoulders and also offers ecocomfort fibre technology that keeps you cooler as sleep it is finished with miraquilted cover that reduces overheating and keeps you at an ideal body temperature during a restful sleep it has no r