Visco Therapy CoolBlue Deep Memory Foam Mattress – 4FT Small Double, White Sleepeezee – Classic Ortho 800 Pocket Mattress – Double – Medium To Firm Mattress – Pocket Sprung Mattress – Orthopedic Mattress – Hypoallergenic Mattress Price guide: £324.95 Click on image for more information and to check current pricing.