The strong mattress is a mattress with independent pocket springs, rigid, reinforced. The springs are independently individually coated in TNT. The springs are made of carbon phosphate steel wire. Thanks to the open cell structure of the memory foam and the springs that favour the passage of air, it can thermoregulate itself. Covered with hypoallergenic, antibacterial and anti-mite fabric, 2 cm of hypoallergenic padding, breathable 3D tapePerimeter box in polyurethane foam. It is modelled both according to body heat and thanks to the applied pressure. The number of springs shown refers to the standard double size. It has the CE marking and the materials are certified. Completely made in Italy.