Once a car / project is liquid wrapped with ANY product that states its peelable, then it should look like the above. If it doesnt have a look at possible reasons below.
Usual reasons for failing to peel;
Improperly prepared surface before dipping.
Not enough material used.
Something added to the dip. Usually car paint to make it cover better. This is a really bad one to remove. Doesn't happen so much nowadays (fortunately).
Poor product used to start with.
Car left outside under a tree and not washed ever.
Chemicals used to clean it that have reacted with the dip and made is less elastic. (ususally by those 'hand car wash' guys using harsh chemicals)
Standard car lacquer used as a topcoat (really hard to remove)