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The Challenge of Securing Coffee and Baby Formula: When Metal Packaging Defeats RF Tags

Steve Jacobs

Baby formula is targeted for resale…

Grocery theft is a growing concern as costs rise. Especially with certain products like ground coffee, whole bean coffee, premium baby formula, and nutritional supplements are now prime targets for professional shoplifters and resale operations. These items are lightweight, high in value, and unfortunately, often come in packaging that resists some Electronic Article Surveillance (EAS) solutions.

Let’s take a closer look at why protecting these products is so difficult, and what loss prevention solutions actually work.

Why Coffee and Formula Are So Hard to Tag

Many of the most frequently stolen items come in metal cans, foil-lined bags, or polymer packaging with metallic elements, all of which interfere with the performance of Radio Frequency (RF) security labels. RF labels, commonly used in retail, fail to trigger alarms properly when applied to metal packaging due to signal interference. This renders them unreliable for theft prevention on items like:

  • Foil bagged ground coffee

  • Aluminum baby formula cans

  • Metallic snack pouches

  • Protein powders in metallized containers

The result? Shoplifters know these items are rarely tagged, and they walk right out with them.

AM Labels: Better, But Still Not Perfect

Acousto-Magnetic (AM) labels perform better around metals compared to RF labels, thanks to their different frequency and signal design. In many cases, AM labels can be a partial solution for baby formula or boxed coffee items, but even they have limitations, especially when placed on curves.

AM technology is helpful, but for retailers needing consistent protection, it’s not enough to rely solely on adhesive labels.

Specialty Security Tags: Solutions That Work

To bridge the gap, retailers are turning to specialty hard tags and mechanical solutions. Here are two options that show great promise:

1. Pinless Raptor Tag – 8.2 RF and 58KHz AM

  • Designed for grocery packages, leather goods and winter coats, the Raptor Tag is perfect to clamp securely onto bagged coffee and other soft packaged goods.

  • Its pinless design means no damage to packaging and a strong grip that deters removal without a detacher.

  • Works with standard 8.2 MHz RF systems and 58KHz AM systems.

This makes the Pinless Raptor Tag an excellent choice for foil or polymer bags that can’t be punctured or where adhesives won’t work.

2. CanGrip Plus – Transparent Hard Tags for Cans

  • Specifically designed for cylindrical metal cans like baby formula.

  • Available in Small, Medium, and Large sizes to accommodate the most common products.

  • The transparent body allows for clear product visibility while providing mechanical protection that can’t be easily bypassed.

CanGrip Plus adds a layer of visual deterrence and real security, especially when RF and AM labels are ineffective.

Why This Matters More Than Ever

The price of baby formula and premium coffee has surged due to global tariffs, supply chain constraints, and rising commodity costs. These price hikes have made these goods even more attractive targets for organized retail theft rings, many of whom resell stolen goods online or to unregulated wholesalers.

For grocery stores, this means more than just lost revenue, it results in out of stocks for honest customers, brand damage, and strained relationships with suppliers.

Protecting high-theft grocery items like coffee and baby formula requires innovative thinking and flexible tagging solutions. RF labels may be cheap, but on metal or foil packaging, they are ineffective. AM labels are better, but still limited. For true protection, consider investing in Raptor Tags for bagged items and CanGrip solutions for canned goods.

With retail theft evolving, so must the technology used to fight it. Investing in the right tags now helps avoid larger losses later, and ensures that valuable items stay on your shelves, not on the black market.

If you’d like help choosing the right tagging solution for your grocery or convenience store, contact us to learn more or request a sample kit.