cut and dried

in accordance or agreement with a standard formula, exact method, guidelines, or procedure; routine

EXAMPLE:

During the 19th and early 20th century only males performed in the Peking Opera and the ways to become an actor were cut and dried

dog and pony show

a presentation that has no substance and is just a shallow demonstration, entertainment, or "show" usually done by a corporation or business to bring attention to itself or one of its products.

EXAMPLE:

"The new e-commerce company put on a dog and pony show for potential investors."