This award-winning mattress from Emma combines the highest quality foams with a layer of premium pocket springs, 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: Hybrid Pocket Sprung Mattress Depth: 25cm Weight: 13kg Firmness Rating: Medium Fillings: Diamond degree graphite foam, HRX foam, adaptive comfort foam and a pocket spring core Cover: 99% polyester, 1% elastane Sizes: Super king, king, double, small double, single Requires turning: Yes. Turn from head to foot Features 100 Night Sleep Trial 10 Year Guarantee 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 Pocket spring core ensures zero motion transfer - ideal for couples 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