Seasoned beech and poplar solid wood.
Springing: non-deformable elastic belts.
Padding: different density foam polyurethane.
Seat: sterilized natural goose down, with stabilizing insert of foam polyurethane.
Walnut (light, medium, dark), cherry wood or wengè painted.
Top-grain leather, first choice
Full grain genuine leather
Full grain leather shiny look
Fabric (removable cushions)