Rattan dining chairs

The terms rattan and wicker are often used interchangeably. In fact, wicker refers to woven fibers, and so modern furniture made of woven plastic can be called wicker. If you are looking for the natural material, then rattan is what you want. It can be stained just like wood, so the shade possibilities are endless.
Rattan dining chairs:

Rattan dining chairs example. Pictured: Maxime Caluco Dining Side Chair Rattan with Sunbrella