Soft Sleeper 5.5 Cal King 4 Inch Thick, Soft Sleeper 5.5 100% Visco Elastic Memory Foam Mattress Pad Bed Topper Overlay Made From 100% Visco Elastic Temperature Sensitive Memory Foam Super Soft, Luxurious and Resilient, Memory Foam Conforms to the Contours of your Body Next Generation Memory Foam Technology, 100% Soft Sleeper 5.5 Visco Elastic Memory Foam Soft Sleeper 5.5 memory foam products will improve the one third of your life that is spent in bed. This luxurious visco elastic material reacts to your body temperature reducing pressure points. 30 NIGHT SLEEP TRIAL! Two Year Soft Sleeper Manufacturer Limited Warranty! Visco Elastic Memory Foam