What Happens when Pet Food Packaging Fails Before the Bag Is Even Opened

A ripped corner on a bag of kibbles is more than just kibbles on a pantry floor. It allows air and moisture to penetrate each product and as soon as they do, freshness wanes long before the expiration date. Whereas all of the work invested in formulating a pet food and its nutrition claims is a huge investment, the barrier that guards it is frequently overlooked.

Why Freshness Fails Long Before the Bag Looks Empty

Once oxygen and moisture can penetrate the package, kibbles and treats lose potency. Many pet food owners wouldn't expect the fat content in high quality pet food to get rancid so quickly, and without appearing different visually, until there is a smell or taste. 

The global pet food packaging market is expected to grow to approximately $11.87 billion in 2026, with flexible packaging dominating the majority of sales, according to Global Market Insights industry data. That change to flexible packaging is just a fact of life; with the right barrier material bags and pouches can deliver more freshness for the dollar than many of the rigid options.

What Makes Pet Food Mylar Bags Different From Standard Bags?

Pet Food Mylar Bags are manufactured using multiple layers of thin film usually polyester, foil and polyethylene that offer excellent barrier properties to oxygen, moisture and light compared to a single layer plastic bag. For high fat content kibbles and freeze dried treats the key is to ensure that ingredients are layered.

Thinner packaging will shorten shelf life while a bag constructed with the appropriate foil layer can realize months of shelf life compared to the other packaging. This will not only reduce the waste of manufacturers or retailers who have products on the shelf, but also reduce the waste of the packaging manufacturers.

Should Small Pet Brands Order Custom Pet Food Mylar Bags?

Stock sizing is useful for brands in the testing phase, but Custom Pet Food Mylar Bags are helpful when a brand begins to scale up after products are released. The proper size bag will minimize headspace, which reduces the amount of oxygen trapped inside after sealing. Custom tooling can also provide for branded finishes, re-sealable zippers in just the right spot for the customer, and pour spouts for smaller treat sizes. There are a few properties that differentiate a good quality custom bag from a plain bag:

• Foil-lined barrier layers which offer better light and oxygen barrier properties than clear film

• Reinforced seams that resist the repeated weight of dry kibbles.

• One-handed use zippers for daily feeding. Zippers for one handed use during daily feeding.

• Several extra features include gusseted bottoms to allow the bag to stand on a shelf without additional packaging.

Bag Thickness Changes More Than People Expect

A thin mil reduces cost but compromises puncture resistance, a factor of significance when using bags to ship items online, not gently in a retail aisle. Flexible packaging products endure two to three more handling points than they do in a traditional retail environment and seal strength and puncture resistance is even more important for brands going direct-to-consumer, according to industry trade reporting.

Food Mylar Bags Aren't Just for Pet Products

The use of Food Mylar Bags can be seen on all kinds of snacks, coffee, and dried goods, but the barrier application can vary with the food product. Pet food must provide a greater grease barrier than most snack categories since fat levels in kibbles are often higher than in similar dry foods intended for human consumption. 

Companies that purchase the same barrier film for all products may find that their products last less than anticipated, particularly when using real meat or fish in treats.

Choosing a Flexible Packaging Solution That Actually Fits the Product

A Flexible Packaging Solution designed to the unique characteristics of the product, such as fat content, moisture sensitivity, and shipping method, works better than a one-size-fits-all pouch that is taken from a generic catalog. 

When ordering an enormous quantity of bags, brands can get specific numbers from a manufacturer regarding oxygen transmission rates and grease resistance testing, as these can differ widely from brand to brand, even when the bags appear the same from the exterior.

What to Confirm Before Buying Mylar Bags Wholesale

When ordering Mylar Bags Wholesale, there are a few questions you may want to ask before ordering a large quantity. With direct involvement of the manufacturer, turnaround time is generally shorter and you have more influence on the film specifications such as barrier layer thickness and print finish compared to working via a broker. 

You can also ask them for a sample run and try it out in actual shipping conditions before even ordering, as a bag that appears great on a table can be bad while traveling.
Top Flexible Packaging Manufacturers in the U.S: Display Packaging Boxes and Others

Large multinationals and manufacturers targeting custom, shorter production runs make up the U.S. flexible packaging space for pet food. Berry Global is one of the biggest flexible packaging manufacturers in North America, providing pouches and films for home, snack food and pet food products. 

Printpack has a major emphasis on flexible packaging for pets and pet snacks, and operates in several states in the USA. Smaller manufacturers are more likely to compete on flexibility rather than volume and this typically attracts the newer pet food brands with lower minimums and quicker tooling turnaround.

Final Thoughts on Packaging That Protects What's Inside

A pet food bag is as fresh as the barrier it's enclosed in, and when you cut corners on that barrier, it's evident in a complaint about rancid kibbles or stale treats. Brands that are testing packaging in actual shipping and shelf experience situations are less likely to be negatively affected by freshness complaints, which affect repeat purchases without you even realizing it. Most manufacturers will take brands through a sample batch before they agree to run a production lot, so this is a good way to ensure that the barrier will perform as needed before a big order is placed.

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