100/130 m2 – wire thickness 2.2 mm.
Orthopaedic and load-bearing support
The Bonnel spring system is the conventional mattress system. The spring is made of choice steel wires with extreme precision. This provides a solid base for top-quality mattresses with superior stability and durability. Bonnel inter-connected wire coil springs afford particularly high levels of breathability, so the moisture can be released easily.