Specifications: 1500*580*780mm/1800*580*780mm Main materials: 3 thick galvanized steel plates for the frame, 11 30*50mm wooden strips for the seat, wood material: merlot or plastic wood Surface treatment: 3 times of outdoor paint treatment on the solid wood surface, electrostatic spraying treatment on the steel Powder coating: Aksu outdoor powder coating or DuPont outdoor powder coating