This deal from Wowcher
From £110 instead of £500 (from The Furniture Department) for a maximum stressless super orthopaedic 6000 mattress – save 78%
Get a maximum stressless super orthopaedic 6000 mattress. A breathable, hypoallergenic and anti-bacterial mattress. 900gsm polyester filling with a 1500gsm luxury duopad on both sides. Total depth: approx. 20cm. Medium firmness – perfect for side sleepers.