The Balance 300FLEX adjustable 140x200 slatted frame provides discerning sleepers with a precise symbiosis of flexibility and finely tuned support, as its 42 multi-layer glued springwood slats dip into seven ergonomic comfort zones, while the individual firmness adjustment including centre belt reacts gently to your body contours and the head and foot sections follow your favourite position manually.Spring slats made from sustainable laminated beech woodStepless manual adjustment of head and foot sectionsSlider in the centre zone for desired firmnessInternal duo caps, quiet and wear-resistant