All Alexander Rose Karri Furniture comes pre-treated, but will need to be maintained with further applications of Alexander Rose Karri Oil.KARRI: This durable & great looking hardwood has become very popular in recent years due to it being great value for your money. It also looks very similar to treated mahogany being typically a pink/brown colour with a smooth finish. All of the Alexander Rose Karri garden furniture has been expertly crafted with a durability of over 10 years. We recommend using Alexander Rose ` Karri Oil` to maintain & protect the original appearance of your Karri outdoor furniture