There are vinyl shutters, composite shutters and hardwood shutters. There are different styles, different joiners, etc. (e.g. dovetail, dowel-rod insertion). There are many different ways to install them depending on your window depth and trim. There are certain types that can be made as one panel as opposed to two panels and others are better for arched or angled windows. There are bi-fold, by-pass… etc. etc., the list goes on and on.