Exterior decorative aluminum Bahama Shutters are usually attached at the top of the window and angle down over the window. This style of exterior Bahama Shutters for sale is different than traditional shutter pairs that go beside the window. The purpose of Bahama Shutters is to give protection from the sun and at the same time allow you to view the landscape through the shutters from inside your house. One added benefit of these Bahama Shutters for sale is that you can remove the prop arms when you want them to close down over the window and lock down.