These Willy Wonka themed candy bars fit over a standard 1.55 oz Hershey candy bar or other candy bar of similar size and shape. You can personalize the text on both the front and the back of the candy wrappers with whatever wording you would like. You can choose gold foil to go with them or choose one of the several other colors that are available. You can also change the colors of the wrapper itself. Just specify what you would like in the special instructions box.