Anatomically supportive pocket spring mattress. It has 400 springs (single) or 800 independent springs (double) individually coated with TNT. The springs are made of phosphate steel wire. It can thermoregulate both thanks to the open cell structure of the memory foam and thanks to the springs that favour the passage of air. Covered with hypoallergenic, hypoallergenic, anti-bacterial and anti-mite fabric, hypoallergenic padding. Perimeter box in polyurethane foam. It is modelled both by body heat and by the pressure exerted. The number of springs indicated refers to the standard size, has the "CE" marking and the materials are certified. Completely made in Italy.