They need to be reupholstered as they have damage to the vinyl seats. I have no idea what kind of wood the chairs are constructed with, no labels to indicate that. Both chairs have Kasuga label on them. Please look at all photos as they are part of the description. The item "2 Danish Modern Dining Chairs By Kosuga.Mid Century Modern From Tokyo, Japan" is in sale since Sunday, October 31, 2021. This item is in the category "Antiques\Furniture\Chairs". The seller is "sisteract004" and is located in Modesto, California. This item can't be shipped, the buyer must pick up the item.