Giselle Bedding Memory Foam Mattress Bed Cool Gel Non Spring 25cm QueenSleep gets even better with the Giselle Bedding Memory Foam Mattress. This is not your ordinary memory foam mattress with a medium firm feel, 360 degree ventilation and advanced heat dissipation, this mattress is designed to enhance your sleep. It incorporates an innovative multi layer technology that utilises three different foam layers a cool gel memory foam layer, an egg shaped foam layer and a 16cm high density foam layer. The result is a mattress