You will definitely be needing these if you need to inform your guests about what food or beverages they can choose. They are also good if your guests have any allergies or special dietary requirements, so no one will be rushed to the hospital if they didn't realise the dip had nuts in it.
Also with your own personalised wedding menus you could also name your dishes or drinks anything you'd like! Did you always have an unusual name for your favorite dish? Here's your chance to show your family and friends how creative you can be.