The 2-cm-long smooth contact surface in Water Foam, which is flexible and breathable, provides a balanced support to the body during rest. The 400-spring structure allows the creation of a 26-strong-density mattress; of 152 turns per m2, able to support the body in all positions. Bonnell spring mattresses are equipped with a non-deformable ATM heat-bonded protective interlayer to increase comfort. qualityà tested in the traditional structure a 400 Bonnell springs , biconical in steel wire, are the strength, the stable and effective springing, the 26-rsquo; reliabilityà and duration. Powerful but at the same time progressive in the compression phase, this suspension offers active support and great lift.
Thick mattress finished 23 cm approx.