Heavenly Memory. A heavenly memory foam mattress from trusted manufacturer, Slumberland. Featuring 1100 pocket springs and a thick 67mm layer of high density memory foam, the Heavenly Memory has an angelic, medium firm feel. Contoured airflow memory foam helps to keep your mattress cool whilst dramatically reducing moisture build-up. Foam encapsulated sides extend the sleeping surface right up to the edges of the mattress. So buy this Heavenly Memory Was £399.00 Now £385.00.