Experience the cooling effects of optimised temperature control and the total body support of advanced foam layers in one perfectly engineered design: the Emma Plus Helix Firm Mattress. Product Details Mattress type: Memory Foam Depth: 23 cm Weight: 16kg Firmness: Firm Fillings: HRX foam with grooved core, adaptive Visco foam, Helix foam with continuous zoning. Cover: 99% polyester, 1% elastane Sizes: Super king, king, double, small double, single Features Perfect for restless sleepers looking for a medium-firm mattress with optimised temperature control. 100 night sleep trial 10 year guarantee Advanced helix foam with continuous zoning provides excellent body support Airflow vents ensure exceptional breathability and regulate temperature Adaptive Visco foam and HRX foam offer precise body contouring and pessure relief Fully removable premium cover with handles and washable up to 40C Anti-slip coating on the underside of the mattress