The Requies 4000 Pillowtop Dual Season Mattress incorprates Izone foam which Gives a weightless like feeling that offers maximum support when combined with Luxury Springs. It is a non turn, rotate only mattress making it easy maintenance. The foam encapsulated edges maximises the sleep area and comfort. With a deep micro quilted top for added comfort. The Requies 4000 Pillowtop pocket sprung mattress features i zone foam which gives a weightless like floating feeling that offers support when combined with luxury pocket spring units. Comes with a 1 year Guarantee.