Bed mattress made from a double layer to favour a good rest for the body. Made with a layer of high resilience foam or polyester with a height of 8 centimetres and a density of 21 kilograms. With another layer of viscoelastic and thermo-sensitive foam with a height of 6 centimeters that favors the release of pressure on the body. For patients weighing a maximum of 140 kilograms. Suitable for single beds.