Strong criteria are clear, relevant, and testable. Decide whether each statement is a strong success criterion, a weak statement, or mainly a fixed constraint.
Statement
Strong / Weak / Constraint
How could it improve?
The package should be good.
The payload remains intact after the standard drop test.
Use only the provided material kit.
The package is easy to use.
The payload can be inserted and removed without damage.
REWRITE ONE WEAK STATEMENT AS A TESTABLE SUCCESS CRITERION.