Millionaire Memory Sealy. As part of Sealy’s excellent Posturepedic range, the Millionaire Memory mattress will have you feeling like you’re the richest person on earth. Built using high grade memory foam that actually moulds to your perfect position, your back and shoulders will be forever at ease. Beneath the 20mm of luxury memory foam is a layer of 7 zone foam with varied levels of tension for different body parts. These key areas of tension will enhance your sleeping experience, thanks to how your weight is distributed throughout the mattress. So buy this Millionaire Memory Sealy Now £339.00.