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Zipper Seal Bags

Zipper types for plastic pouches

Reclosable bags, also known as zip bags or poly bags, are a great way to keep products safe from outside elements. Zip bags can help keep food fresh and avoid spilling due to their locking capabilities, and are often used for food storage purposes. When looking for the correct style of resealable bags , there are several things to consider, including how the bags will be closed, and price point.

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Plastic Bag Enclosure Options

Zippers are one of the three primary reclosure options for plastic bags, as extruded zippers are ubiquitous and found on almost all flexible barrier bags that are designed for more than a single use. Zippers, tin-ties, and lip and seal tape all have specific use cases, but generally, extruded and insert style zipper is the most common. If you're looking to compare zippers to other re-closure options check out our blog post.

Custom Printed Resealable Pouch Zipper Types & Sizes

CarePac has a variety of affordable resealable poly bags and plastic bags. Compare each against the other to determine which one is the right fit for your needs.

Standard Zipper -

Reclosable + Reusable

Flange zippers are the most common zipper used in poly storage bags. The press-to-close zipper provides a residual barrier after the heat-sealed pouch has been opened, but unlike string zippers, the flange zippers lock shut more tightly, retaining barrier and keeping the contents of the zip bags fresh longer. We use the standard reclosable zipper on most of our stock bags.

Heavy Duty

Flanged Zipper

A heavy duty flanged zipper is ideal for reusable poly bags that hold heavy products or need an extra strong zipper seal lock. The heavy duty version of the flange zipper is used for applications where the customer is expected to use the contents of the package over a longer time and for higher number of open/close cycles. As such, it's freezer safe. The dual track also increase barrier retention and ensures the zip lock bags are as tightly closed as possible.

Pull-Tab Style Zipper

(Insert Style Zipper)

In this closure type, the zipper is located on only one face of the bag, which is great for roll stock pouches. Pull-tab zippers are built into one face of the bag (the front) allowing the top of the bag to be complete clear and open during loading. This has several advantages in high-speed filling environments. Less time and effort is required to open the bag like a bottom loading 3-seal, and it that the bag is fully sealed at the end of loading.

Child Resistant Zipper

A special style of stand up pouch designed to be difficult for children to open. Child resistant zippers are a current trend, with the increased legalization of cannabis, but they have long been used in pharmaceuticals and poison control packaging. The goal of adding a child resistant zipper to zip lock bags is to protect kids from appealing, but dangerous, products while allowing the consumer to use the product when needed.

Powder Zipper

Powder zippers are designed to not be as easily clogged by fine powders like flour, industrial chemicals, and more. The power zipper on a zip bag forces powder back into the poly bags during the process of pressing the zipper closed, reducing the effect of powder getting caught in the flange. These bags are ideal for use in the kitchen or garage.

Wide Flange Zipper

Wide flange zippers on a zip bag provide more enforced grab area for thin materials. They have a higher side wall which extends beyond the normal zipper area. It can be used to create a neater appearance of the tear line and gives the customer an indication of where to place their thumb when tearing open your storage bags.

Hook and Loop Zipper

Hook and Loop zippers can provide for easier end-user zipper alignment, but generally provide lower re-seal barrier. Unlike hook-to-hook fasteners which have interlocking plastic hooks, these storage bags are closed by a strip of looped fibers that pair with a strip if micro-hooks. This means the two sides can repeatedly be opened and closed. This type of fastener is more commonly known as "velcro" and can be used to fasten clothes and shoes, in addition to a storage bag or other type of packaging.

String Zipper

The lowly string zipper is the most inexpensive zipper and often found on mono-layer bags. String zippers are easy to open and will secure the product inside. This closure type is flexible at cold temperatures, requires lower sealing temperatures, and its seals won't gap or distort, even with frequent use. If you're on a budget and focused on price, this BPA free closure type is the answer, no questions.

How do you intend to use your resealable pouch bags?

Most resealable storage bags utilize a zip function to maintain an air-tight seal and allow the bag to be resealed while the consumer uses the product inside. When your customer uses a stand up pouch for storage, your brand will be front and center. There are different kinds of zipper bags for different applications, and it's up to you to determine what type of zipper you need for your resealable bag. Common applications for resealable and zipper bags include coffee, pet food, nuts, tea, and other food storage applications.

Once you know what you are going to put in the bag you should test the bag to make sure your food product fits inside. You wouldn’t believe how many times customers forget this step and realize the dimensions of their bag are incorrect. Maybe they measured the outside of the bag but failed to realize they will lose some space with the seam of the bag, depending on the type of bag. Our flexible packaging bags can also be ordered with a window, so your customer can easily see what's inside the storage bags.

Zipper packs have consistently been used by the food packaging industry because they are one of the best ways to quickly wrap and unwrap a variety of food items. They work better than aluminum foil and can be ordered in a variety of film and color options, including white, brown, and kraft paper. These high quality bags are great for businesses because packaging takes less time and the and the zipper bags help to inhibit decay. What’s more, they’re wonderful for customers, who love to use them for clothing and food storage because of their reusable qualities.

What zipper to pick for your custom printed resealable bag

Many bag applications will work perfectly fine with the standard flange zipper; it's a durable workhorse and found on most bags you have purchased in your life. But sometimes an even more specialized zipper will provide specific benefits you need for your application. Each specialty zipper is trying to address a specific need. Some zipper styles are obvious, for example the dual flange (heavy duty) zipper is aiming to provide superior hold, while the powder zipper is for powder applications.

Yet the purpose of other styles of resealable zippers are less apparent. The pull-tab zipper helps with increasing bag loading speed and is commonly used with box bottom bags. Hook and loop zippers are commonly used on very wide resealable bags (greater than 12" in total opening width) because this style of zipper can seal without being perfectly lined up. Whatever style of zipper you choose CarePac's here to help you develop your perfect pouch.

Do you have the right artwork for your bags?

Have you decided that you need a custom food storage pouch, but aren't sure how to provide the artwork? We have good news for you! You don't need to have press-ready artwork in order to get custom printed packaging. There are many technical considerations when printing barrier films, and we do all the work for you. We'll take your original art files and set them up for printing, ensuring you get the best quality packaging possible for your brand.

Once we process your artwork, we'll send you a digital art proof so that you can advise us of any revisions you'd like to have. Our design team can even work with you to recreate a logo or other artwork you may not have the original files for, so you don't need to use stock imagery. Our goal is to provide you with the best stand up bags on the market at a price point that fits your budget.

Are you working with the right company for your zipper bags?

Whatever your application and need might be, finding the right resealable bag manufacturer is the difference between receiving an average solution and receiving the perfect, custom crafted resealable food storage bag. Working with an experienced resealable bag manufacturer will enable you to purchase a resealable bag that fulfills every one of your prerequisites. Everything begins with knowing your application and the necessities that you have, and with that clearly conveying those requirements to your preferred resealable bag manufacturer.

CarePac is an expert in supplying resealable bags, including to the food storage industry. Regardless of whether the application is for coffee packaging, or other food packaging that needs to be protected from moisture, CarePac can supply the correct resealable bag. Our resealable bags and stand up pouches are the best you'll find sold on the market. Browse our selection and buy the bags you need today!

We make an effort to understand what our customers need to do, and how our resealable bags and stand up pouches need to be used, especially for food packaging. We understand film structures and their properties so we can suggest materials that work with our client’s specific needs. We have the one-of-a-kind capacity to custom print both small and large amounts of resealable bags for food products and packaging. We handle the design, prototyping, sampling, manufacturing and delivery of resealable bags to their final destination. Contact us today to begin your order and for a quick quote!