Internal structure :Solid wood and fir wood multi-ply.Cushions padding:Sitting cushions :External padding with natural, sterilized goose feathers.Internal center with memory foam and expanded polyurethane with differentdensity.Back cushions :Soft padding with natural, sterilized goose feathers, with a core support inexpanded polyurethane.Upholstery:High quality leathers or fabrics available in different categories.Tailor made stitching , with same color piping . Upon request the piping canbe made in different colors of leathers or fabrics.Base:H. 4 Cm , available in wood or metal with different colors or finish. This item can be customized upon request.