Craftsman-built frames are constructed from birch wood and engineered hardwood for lasting strength and stability. Seat cushions contain dense foam padded with poly fibers and are sustained by a flexible elastic webbing. Backrests are filled with a supportive blend of foam and poly fibers and back frame system is sustained by flexible elastic webbing. Stainless steel base and legs are powder-coated for a durable, textured finish. A swivel base with hydraulic lift offers smooth height adjustment and a tilting function for personalized comfort. Chair legs also feature casters for easy movement around your space.