Seats are stress-resistant polyurethane foam in varied densities and polyester fiberfill on wood frame.
Feet are beech screwed to the structure, which are permanently fixed to the frame. Seat cushions, non-reversible, are polyurethane foam in varied densities and polyester fiberfill. Back cushions are goose down. Big Mama collection fabric covers are removable with the exception of Papy armchairs and leather versions.