Once a packaging run is printed, it may sit in warehouses and on shelves for a year or more. In that time your website gets redesigned, the product page moves, a recipe or formula gets updated, and marketing wants to run a new campaign. A static QR code printed on the box is stuck with whatever address it was given on press day.
A dynamic code separates the printed box from the destination. Today it can open usage instructions; next quarter it can open a refill program or a recipe collection. Because the change happens on the redirect, cartons already shipped to stores, and the ones in customers' cupboards, all follow the new link without a single reprint.
Where to place it
- The back panel near the ingredients or instructions, where customers look when using the product.
- The inside of the lid or flap, revealed when the box is opened for the first time.
- A side panel visible on the shelf, paired with a reason to scan before buying.
- Hang tags and labels on items that have no box, such as clothing or plants.
- Shipping cartons and mailer boxes for e-commerce orders, near the address label.
Tips that improve scans
Give a reason on the box
Print a short promise next to the code, such as "Scan for 3 recipes" or "Scan for setup help." Customers rarely scan packaging out of curiosity alone.
Respect the minimum size
Keep the code at least 2 cm (0.8 inch) square on small packs, larger on textured or curved materials. Leave a quiet zone around it and avoid printing over gradients.
Test on the real material
Kraft paper, metallic foil, and shrink wrap all change contrast and reflection. Always scan a press proof on the actual material, not just a PDF on screen.
Keep a register of codes
Packaging lives long. Record which manage link belongs to which SKU and print date so a teammate can update it years later without guessing. Note who owns each one.
A snack brand changes its website
A small snack company printed codes on twenty thousand boxes, linking to a nutrition page on its old online store. Six months later it moved to a new store platform, and every old product URL changed. The marketing lead opened the manage links from the company spreadsheet, pasted the new product page addresses, and saved. Boxes still on store shelves and in customers' pantries kept opening the right page.