The Balance 700 FLEX adjustable slatted frame 90x200 transforms any mattress into a masterfully balanced resting zone, as 42 multi-layer glued springwood slats work seamlessly together with duo caps in the inner bearing, while an adjustable centre zone with belt and a sensitive shoulder comfort zone provide precise support for your body and give you the flexibility of manually adjustable head and foot sections.Frame made of FSC-certified plywood, glued without formaldehydeElastic bearing caps dampen movements silentlyMinimally milled crossbars for increased stabilityFirmness slider in the pelvic region for personal preferenceRecommended mattress height 18-25 cm for ideal air circulation