The D2D verdict is that this dining set scores top marks for its natural finish and the nifty extending mechanism

The Diego dining set is made from oak veneer with walnut veneer inlays.  The seat pads of the Diego chairs are chocolate brown.  The table can be extended to double its original size thanks to a clever design that means the table top is folded in two when in the closed position.  Here are some pictures of the table fully extended and the table being extended: