Customers trust a product more when they can see it hasn’t been opened. A tamper-evident label is the simplest way to give them that proof: if anyone lifts it, the evidence stays behind.
How a VOID label works
A VOID label looks like a normal label until someone peels it. The adhesive is built to separate in a pattern, so when the face is lifted, part of the print stays on the surface and part comes away. What is left behind reads “VOID” or “OPENED”. The label can’t be pressed back down to look new again, because the pattern has split between the two surfaces.
There are other tamper-evident constructions too:
- Destructible film breaks into small pieces when someone tries to peel it, so it can’t be removed in one piece.
- Tamper seals are small labels placed across a lid and body, or across a box flap, so opening the pack tears or lifts them.
- Neck bands and shrink bands wrap the cap and neck and must be torn to open the bottle.
Where to put them
- Tubs: a seal from the side of the lid down onto the body, so twisting the lid breaks it.
- Bottles: a neck band over the cap, or a strip over the cap and down the neck.
- Cartons and boxes: a strip across the opening flap or the lid seam.
- Mailers: a seal over the closure for direct-to-customer orders.
Tamper evidence vs. induction seals
An induction seal under the lid protects freshness and shows the container was opened, but the customer only sees it after buying. A tamper-evident label works on the outside, on the shelf, before the sale. Many brands use both: the inner seal for the product, the outer label for the shopper.
Make it part of the brand
A tamper seal doesn’t have to look like a warning sticker. It can carry your logo and colors, and it can be combined with stronger features like holographic foil or micro text. That turns a functional label into one shoppers learn to look for. It’s the entry tier of our security features.
A note on rules
Some product categories have specific packaging requirements. Check with your regulatory advisor about what applies to your product. Tamper-evident labels add protection, but they don’t replace advice on compliance.
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