Seasoned beech and poplar solid wood.

Springing: biconic steel springs tied manually and rested on jute belts.

Springing: biconic steel springs tied manually and rested on jute belts.
Padding: vegetable horsehair.

Seat: sterilized natural goose down, with stabilizing insert of foam polyurethane.

Black lacquered wood

Top-grain leather, first choice
Full grain genuine leather
Full grain leather shiny look
Aniline leather
Nubuk leather
Fabric (removable cushions)