Not only are they beautiful to look at, but they also offer superior insulation properties and light filtering versatility with the option of a standard or concealed rotation bar system. Constructed from durable composite wood with a tough polypropylene coating, or the option of a cedar, basswood or pvc finish, the shutters showcase elegant mortise and tenon joinery with frame mounting options in a variety of unusual configurations, which makes them ideal for the older window installation. Harmony Curtains and Blinds' range of made-to-measure plantation shutters include sliding, swinging and bi-folding options, as well as a host of stained, painted and oiled finishes.