The Simply Sealy Memory Mattress is a super-comfy memory foam mattress from world-renowned Sealy. Featuring a cosy layer of memory foam, it's the perfect choice if you're looking for soothing comfort to care for you as you sleep. Nestled underneath is Sealy's PostureTech Core Support. This clever support system actually gets firmer with more pressure, so it'll always support you where you need it most. The Simply Sealy Memory is rated firm, so it's ideal if you like plenty of support. It's available with Free Next Day Delivery and comes complete with a 5 Year Guarantee too!