Describe the journey, not a vague wish for “durable”.
“Make it durable” can mean very different things. A school flash-card set may be sorted many times a day. A catalogue may be opened occasionally and kept on a desk. A gift box may need to look composed at an event, while a training pack may be carried, unpacked and used across several locations. Record who handles the object, how often, where it travels, how it opens and what must still look or read clearly.
That description is more useful than a blanket material request. It gives the project a way to discuss cover, paper or board, fold, binding, corners, coating, packing and the point at which the reader meets the object. It also identifies whether the concern is appearance, repeated handling, a closure, an edge, a panel, an instruction page or the protection of contents.
Record the vulnerable handling point in the specification.
A dark field across a fold, a small instruction beside a thumb position, a book cover that will be carried, a card edge that will be shuffled or a carton corner that is part of the display can all deserve attention. Mark that moment in the artwork or brief. The right conversation may involve a different surface direction, a score, an insert, a structural review, a sample or simply a clearer understanding of how the item will be used.
Do not ask a generic guide to make a claim about an unknown object. A finish can have a visual, tactile or protective role, but it cannot be described honestly as making every item scratch-proof, water-proof or suitable for every use. The project scope must state the actual material, construction and test question before a performance claim is considered.
Separate handling from display.
A retail pack may need to look clean on a shelf before it is ever opened. A collector box may be kept after the contents are removed. A booklet may be read under bright light, then carried in a pocket. Separate the requirements that happen before purchase, during use, during re-packing and during storage. That prevents a single word such as “premium” or “robust” from masking several unrelated decisions.
For example, a smooth surface may suit one visual direction but need an additional handling discussion in another context. A rigid presentation box may feel right for a particular set yet still need a clear record of its contents, insert and transport route. Use the Packaging Prototype Guide when a physical sample is needed to answer a fit, opening or reading question.
Test the point of use, not an empty ideal.
If the concern is real, let the review reflect it. Open the pack with the actual contents. Ask someone to read the instruction while holding the object. Put the deck in the hands of the intended users. Carry the booklet in the sort of bag it is meant to travel in. Record what was observed and what was not being tested. A sample can make a decision more informed without becoming a promise about every future handling condition.
Contractual, safety, compliance and performance requirements belong in the brief from the outset. The responsible parties can then identify the material evidence, testing and specialist review required for the actual object and use.
Store a practical use note with the approved version.
One sentence can be enough: “Training cards handled repeatedly by adult participants; important text on both sides; box must retain the whole set after use.” Add the relevant artwork, component, material and sample notes. That record keeps the physical use visible if the quantity, finish, artwork or packaging changes before a reprint.