Birch wood (Betula pendula) – clean Scandinavian beauty. The unadorned surface exudes peace, while the hard birch wood core is ready to be challenged, indoors or out. One of the Finnish national symbols: the silver birch (Betula pendula) is the national tree of Finland. Please note that cushions are sold separately. EcoChairs are shipped unassembled in flat packs. Comfortable Foldable