Alder (Alnus glutinosa) is a relatively soft wood. Beautifully reddish and clear wood, very good against humidity. With oil finish, suitable for both indoors and outdoors. Also tolerates high temperatures, for example on glazed balconies or sunny terraces. Please note that cushions are sold separately. EcoChairs are shipped unassembled in flat packs. Comfortable Eco-Friendly Foldable