The bentwood No. 14 thonet chairs IMPROVED , the chair back reserved thonet No. 18 chairs of the bending and screw structure,but we use rattan seat for this model of bentwood chairs, a base plate and a front part, we use the structure of wooden crossback chairs, and supported by the 2 circular bending wood. This classic bentwood chair combines the features of the bend wood No. 14 chairs and the dual performance of a wooden X back chair.