Click to see full view Product Image Product Image Product Image Product Image Product Image Product Image Product Image Alexa AI Ask Alexa Is this good for back pain? How long does it take to expand? Does it sleep hot or cool? Why you might like this Compare with similar Ask something else 12 Inch Full Size Mattress, Hybrid Mattress in a Box, Cooling Gel Memory Foam and Individual Pocket Springs for Pressure Relief, CertiPUR-US Certified (Full 12 inch, Medium) Visit the REJUSLEEP Store