Labels for Cardboard Boxes and Shipping: What Actually Sticks
A shipping label has one job: get from point A to point B and still be readable when it arrives. Cardboard looks easy, but it is rougher on labels than most people expect.
Why labels fail on cardboard
Corrugated board is not a smooth surface. It is rough, dusty, and it soaks up adhesive.
- Dust. Cardboard sheds fine dust. Adhesive grabs the dust instead of the box.
- Cold boxes. Boxes that sit in a cold truck or warehouse make adhesive stiff.
- Recycled board. Recycled cardboard can be dustier and more fibrous.
- Seams and flutes. A label that crosses a tape seam or an edge is stuck to a surface that is not flat.
- Light pressure. Corners get the least pressure and are the first place to lift.
Choose an aggressive adhesive
An aggressive adhesive grabs the fibers of the board. A permanent adhesive usually holds on a clean, flat box. For dusty, cold or recycled board, aggressive is the safer choice. Avoid removable adhesive on cardboard.
Our shipping labels use a permanent adhesive.
Pick the label to match your printer
Thermal printer (Zebra and similar). Use a direct thermal roll. A 4 x 6 inch label is a common shipping label size.
Our 4 x 6 direct thermal labels come 250 labels per roll, 12 rolls per case. These are for shipping, point A to point B. (See direct thermal vs thermal transfer.)
Laser or inkjet printer. Use a sheet label. A half sheet shipping label, 8.5 x 5.5 inches, gives you a big, scannable label with an ordinary office printer. A full sheet label is there if you need more room. Browse all the laser and inkjet sheets.
Need an aggressive adhesive, a freezer grade adhesive, or a different material? We can print these for you. Use Request a quote.
Where to put it
- Pick a flat, clean, dry panel, usually the top or the largest side.
- Keep it off tape seams, flaps and edges. Apply the label to the surface, then tape around it, not over it.
- Never wrap a barcode around a corner or over an edge. A bent barcode is hard to scan.
- Leave a blank border around the barcode.
- Smooth out wrinkles as you go.
For pallets and large cartons, check what your carrier or customer requires.
How to apply it
- Wipe off loose dust with a dry cloth.
- If the box is cold, let it warm up to room temperature first. Never label a cold or frosty surface from a warm roll.
- Peel the label and lay it down flat from one side to the other.
- Press firmly. Rub down the whole label, edges and corners especially.
- Adhesive keeps building strength for a while after you apply it, so go easy on the box at first.
More tips in how to apply labels so they stay put.
When corners still lift
- The box was dusty: wipe and try again, or move the label to a cleaner panel.
- The box was cold: label at room temperature.
- The board is recycled and fuzzy: use a more aggressive adhesive.
- You did not press the corners: use a squeegee or the heel of your hand.
Cold shipping and freezers
If boxes ride in a cold truck or a freezer, a standard adhesive can stiffen and let go. Ask us about a freezer grade adhesive, and label at room temperature before the box goes cold. See freezer, fridge and outdoor labels.
Quick recap
- Cardboard is rough and dusty. Pick an aggressive adhesive when in doubt.
- Flat panel, no seams, no folded barcodes.
- Press the corners.
- Thermal printer: direct thermal rolls. Laser or inkjet: half sheet labels.
Keep reading
Frequently asked questions
Why do shipping labels peel off boxes?
The usual causes are dust, a cold box, recycled board, and a label that was not pressed down firmly, especially at the corners.
What size label do carriers use?
A 4 x 6 inch label is a common size for thermal printers. If you print on a laser or inkjet printer, half sheet 8.5 x 5.5 inch labels are a popular choice. Check what your carrier needs.
Where should I put the label on the box?
On a flat, clean, dry panel. Keep it off tape seams, flaps, edges and corners so the barcode stays flat and easy to scan.
Do I need a special adhesive for cardboard?
An aggressive adhesive helps on rough, dusty or recycled board. A permanent adhesive usually holds on clean, flat boxes.
Will shipping labels survive a cold warehouse?
Standard adhesives can stiffen and let go in the cold. For cold shipping, ask about a freezer grade adhesive, and apply labels at room temperature.
