Solid birch wood and cur ved ply wood headboard. Construc ted on an internal steel frame with MDF reinforcement. Ply wood side and end rails are covered with polyurethane foam and fabric lining. SLATS: : Multiply beech wood slat system allow for slight adjustment in firmness. BASE: Steel legs are finished in black metallic paint and capped with plastic glides. UPHOLSTERY: Fabric and Leather Covers are not removable. Headboard cover is not removable. Side and End Rail covers are removable via Velcro. MAT TRESS: Recommended mattress thick ness is less than 25cm. Mattress is not included.