TRASEA develop a new type armrest for passenger boat seats. Foldable armrest. The armrest can be folded up. Passenger can lie down on triple seats or 4- seats row when other seats are not occupied. Trasea offer 2 years warranty for the foldable armrest.
Most clients choose aluminum armrest. because it is easier to maintance and more durable.
The foldable armrest is plastic material. not as durable as aluminum armrest.
It is an option TRASEA provide for some certain ship owners who has special requirement for the foldable armrest.