10-11cm high pocketed spring from 300 springs per square meter. The product is designed for both mattresses and sofas or pillows. The ductility of the springing allows for the construction of a custom finished products through even the possibility of overlapping two squares to increase comfort. Springs are available in wire diameters from mm. 1.70 to mm. 2.00. The structure of this product is more compact thanks to the "Plus" system, two layers of anti-allergic polypropylene fabric glued to the supporting surfaces.