The silentnight beijing miracoil mattress miracoil reactive springs give tailored comfort and support whatever your shape and size head to toe springs distribute body weight ensuring partner movement doesnt disturb your sleep edge to edge springs for maximum sleep space acupressure layer stimulates acupressure points on the back for relaxing sleep comfortable and breathable silentnight ecocomfort fibre scientifically proven to keep you cooler soft knitted fabric lid with a quilt