Memory Foam Mattress: Get a premium reflex memory foam orthopaedic mattress. Sizes: Choose between six different size options. Mattress Depth: Six inches deep with a combination of visco cool foam and heavy duty reflex foam to mould around the shape of your body. Firm Mattresses: A firm orthopaedic mattress, perfect for people who love to sleep on their front and back, it is also suitable for average to heavier builds. Hypo Allergenic: A hypoallergenic and dust-mite resistant, perfect for allergy sufferers. Warranty: One year warranty included. Memory Foam Orthopaedic Mattress | Living Social