Genuine Siberian Larch (Larix Sibirica), a unique material for year-round outdoor use. Doesn't need to be oiled, naturally turns gray over time when kept outdoors. If you don't want to wait or want to change the color yourself, treat the wood with colored oil. Excellent resistance to weathering as well as soil moisture – impregnated by nature. Excellent product also for saunas and spas. Please note that cushions are sold separately. EcoChairs are shipped unassembled in flat packs. Easy care Comfortable Foldable Chemical free