In-Mould Labels (IML): The Future of Smart, Durable Packaging

 

In today’s competitive packaging landscape, brands are constantly looking for innovative ways to make their products stand out while improving sustainability, durability, and production efficiency. One technology that is gaining significant traction across industries—especially in food, cosmetics, and household goods—is In-Mould Labeling (IML).

But what exactly is in-mould labeling, and why are leading brands making the switch?

What is In-Mould Labeling?

In-Mould Labeling is a process where a pre-printed label is placed into a mould before the plastic container is formed. The label becomes an integral part of the product during the moulding process—whether it’s injection moulding, blow moulding, or thermoforming. The result is a high-quality, scratch-resistant label that looks like it’s part of the packaging itself.

How Does It Work?

Here's a quick breakdown of the IML process:

  1. A high-quality label (usually made from polypropylene) is printed using flexographic, offset, or digital printing.

  2. The label is inserted into the mould cavity.

  3. Molten plastic is injected into the mould, fusing the label into the container wall.

  4. The final product emerges with a permanent, seamless label.

Benefits of In-Mould Labeling

In-mould labels offer a range of advantages over traditional adhesive labels or shrink sleeves, including:

1. Premium Look and Feel

IML creates a seamless, high-gloss or matte finish that gives products a premium, shelf-ready appearance.

2. Durability

Because the label is fused into the container, it’s resistant to water, heat, chemicals, and scratching—making it ideal for refrigerated or long-shelf-life items.

3. Sustainability

Both the label and the container are made from the same type of plastic (typically PP or PE), making recycling much easier and more efficient.

4. Efficiency in Production

IML reduces production steps by combining labeling and moulding in one process, saving time, energy, and labour costs.

5. Tamper Resistance

The label can’t be peeled off or tampered with, making IML a good choice for secure or hygienic packaging (e.g., dairy products or pharmaceuticals).

Where is IML Used?

In-mould labels are widely used in:

  • Food containers (ice cream tubs, margarine boxes, yogurt cups)

  • Cosmetic packaging

  • Paint buckets and pails

  • Household chemical containers

  • Pharmaceutical packaging

Trends in the IML Market

As sustainability becomes a major focus for both consumers and manufacturers, IML is well-positioned to grow rapidly. Key trends include:

  • Digital IML printing for small runs and variable data.

  • Interactive packaging, such as QR codes printed into the label for consumer engagement.

  • Metallic and textured finishes that elevate branding without compromising recyclability.

  • Smart automation systems that integrate label insertion and moulding in high-speed production lines.

Challenges to Consider

While IML offers many advantages, it does require a higher upfront investment in specialized moulding equipment and robotic label insertion. Additionally, design accuracy and precision in label placement are critical to achieving the best results. That’s why working with an experienced IML partner is essential.


In-Mould Labeling is more than just a packaging option—it’s a smart, future-ready solution that combines design flexibility with unmatched durability and sustainability. As consumer expectations continue to rise and regulations tighten around recyclability and packaging waste, IML offers a compelling path forward for brands that want to innovate responsibly.


Looking for In-Mould Labeling Solutions?
We can help you find the right IML technology and partners to elevate your packaging—from concept to final product. Contact us to learn more.

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