These dining chairs with undulating vertical lines or wave-like pattern on its seat backing is a simple example of Art Deco style furniture. Art Deco is an art and design style that began in Paris as a result of a decorative arts exhibition in 1925. The style spread over the world into the 1930s and 1940s. It celebrated modern life, technology, luxury and sophistication. However, Art Deco was not just a style for the rich, it also catered to the middle class when mass production techniques and cheaper materials became available.