This award-winning mattress from Emma combines the highest quality foams to give you unparalleled support and comfort. Optimised Deep Sleep - The reveloutionary core technology with graphite coating dissipates excess body heat for a perfect combination of body support and pressure relief. Ideal sleeping temperature is achieved in record time and extended deep sleep phases guarantee restorative and regenerative sleep. Product Details Mattress type: Memory Foam Mattress Depth: 25cm Weight: 16kg Firmness Rating: Firm Fillings: Diamond degree graphite foam, HRX foam and adaptive comfort foam. Cover: 99% polyester, 1% elastane Sizes: Super king, king, double, small double, single Features 100 Night Sleep Trial 10 Year Guarantee No need to turn this mattress Perfect for those who need restorative and regenerative deep sleep Revolutionary foam technology with graphite particles prolongs deep sleep phases by dissipating excess body heat Ideal sleeping temperature is achieved in record time Adaptive comfort foam provides precise pressure relief Zoned HRX foam offers optimal body support Fully removable premium cover with handles and washable up to 40C Anti-slip coating on the underside of the mattress