It is a bonell mattress with the bonell spring to the shape of an hour—glass which is characterized by the progressive elasticity.
The stronger pressure, the higher resistance of the pressed surface of springs. If the pressure is slighter, the bonell spring is relatively low resistant.
Thanks to that, the mattress will be proper for persons of various weight.
- Polyurethane foam on both sides 2 cm
- Bonnell springs 112 pcs/m²
- Height of about 16 cm