The slentnight beijing divan with mattress features world famous miracoil sprung system that is sure to bring a dreamed comfort and support irrespective of your shapes and sizes this edge to edge mattress prevents the roll off and gives a maximum sleep space it is benefited from a luxurious ecocomfort fibre layer which is proven scientifically to keep you cooler or drier throughout the night this is an easy to care mattress with no need to flip it over just rotate it this mattress is