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Pack 303 IN/ID
Pack 303 IN/ID

Pack 303 IN/ID

Inverted flow wrapping for soft products and multipacks

Most soft, flexible, or multi-count products don’t play well with standard horizontal flow wrappers. That’s why the Pack 303 IN (inverted) and Pack 303 ID (inverted dwell) were designed to handle the packaging challenges others can’t.

With inverted film flow, where the film runs beneath the product, the Pack 303 IN securely carries delicate, soft or unstable items through the machine — instead of pushing them — ensuring smooth handling and preventing jams, misalignment, and damaged wraps.

The Pack 303 ID adds a long dwell sealing head for hermetic sealing, making it ideal for applications that demand both gentle transport and airtight protection.

Explore what’s possible with the Pack 303 IN and Pack 303 ID

When you're packaging soft, flexible, or multi-count products, you need more than just precision — you need control. The Pack 303 IN and ID are designed to carry hard-to-handle items smoothly and securely on the film, making them ideal for applications like tortillas, sticky bars, syringes, IV bags, and multiple stick packs in a single wrapper.

Packaging something outside the norm? Let’s talk about your products.

Flexible feeding options that fit your product and your process

The Pack 303 IN/ID integrates seamlessly into a wide range of production setups, offering the flexibility you need to handle soft products, grouped items, and sensitive packaging materials.

Key capabilities include:

  • Flexible infeed options: flighted, lug-less, trough-style, and belt feeders
  • Supports robotic pick-and-place loading with platforms like Syntegon’s RPP
  • Available in multiple infeed layouts and lengths to match your space and throughput

Beyond flow wrapping, Syntegon also provides integrated downstream solutions for cartoning, case packaging, and end-of-line automation — enabling a seamless, end-to-end packaging process tailored to your production needs.

Long Dwell sealing for hermetic packages – across formats, films and functions

Key highlights:

  • Inverted film flow securely carries soft, flexible or unstable products
  • Processes a wide range of films, including thicker and sensitive materials
  • Fast and easy setup, cleaning, maintenance and changeovers
  • Flexible infeed options: flighted, lug-less, trough-style, and belt feeders
  • Long dwell sealing supports airtight and Modified Atmosphere Packaging (MAP)
  • Equipped with the latest Syntegon HMI and Synexio connectivity for improved usability, monitoring, and data driven production

Need longer seal times for airtight, reliable packaging?

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Pillow pack
The go-to format for flow wrapping — compact, cost-efficient, and versatile. Suitable for everything from snack foods to medical products. 
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Gusseted pack for taller items
Need extra vertical space? This format fits bulkier or higher-profile products without sacrificing seal strength or shelf appeal. 
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Euro hole and hang hole punch

Ideal for retail displays. Adds hanging functionality for pegboards — commonly used in snack packaging, hardware, and promotional sample packs. 

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Straight-cut seals
Delivers a clean, polished finish. A preferred choice for premium items where presentation is key, such as chocolates or beauty products. 
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Zig-zag cut
Fun and functional. The wavy edge adds visual flair and makes it easier for consumers to open. Great for grab-and-go items or kids’ products. 
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Tear notch
Designed for easy opening — no scissors needed. Perfect for single-use pouches, snack packs, or portable medical applications.
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Horizontal seal serrations
The standard end-seal format in flow wrapping. Serrations run across the package’s width, ensuring consistent pressure, predictable tear behavior, and a familiar aesthetic. Commonly used for snacks, baked goods, and everyday CPG items. 
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Vertical seal serrations

Serrations run lengthwise, giving the package a modern, premium look. Offers more directional control when tearing and is ideal for slim or upscale products. Requires a tailored sealing jaw setup. 

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Made in the USA. Serviced in the USA.


The Pack 303 IN/ID are manufactured in New Richmond, WI and supported across North and Latin America with:

  • Free U.S.-based helpdesk support with fast response times
  • Local spare parts inventory for rapid turnaround
  • Service technicians based across the U.S.
  • PMMI-certified training, remote and on-site

Smarter Packaging with Synexio

The Pack 303 IN-ID is ready for Industry 4.0 with Syntegon’s Synexio digital solution. Monitor machine data, track performance, and optimize production remotely — all in one intuitive dashboard.

Key Benefits:

  • Live OEE Tracking: Get real-time insights on availability, performance, and quality
  • Remote Monitoring: View production data from anywhere
  • Data-Driven Maintenance: Predict issues before they cause downtime
  • Secure Cloud Platform: Built for data privacy and industrial security
  • Modular Subscriptions: Choose what you need – from machine-level insights to line-wide analytics

See the Pack 303 IN and Pack 303 ID in action: Real products, real results

Watch how the Pack 303 IN wraps stick packs as multipacks and how the Pack 303 ID flow wraps liquid medical pouches. Two real-world demos, one powerful platform for flexible, hard-to-handle products.

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Let’s scale your packaging — together


From soft products to multipacks, the Pack 303 IN and ID are designed to handle what others can’t — with better control and stronger seals.

We’re here to help you find the right setup for your product, your process, and your future. 

Let’s co-create your solution.

Learn more

Related machines and technologies

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Pack 103
The Pack 103 is an entry-level horizontal form-fill-and-seal (HFFS) machine that packages products by wrapping them in rollstock film and sealing them on all sides.
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Pack 202
Whether you're scaling up from entry-level equipment or need a more flexible solution for multi-format production, the Pack 202 is built for where your business is headed.
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Pack 303 LD
Whether you’re upgrading for better seal integrity or need to handle sensitive products with ease, the Pack 303 LD is built for simple operation and maintenance — helping you grow from where you are.
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Pack 301 SK
Whether you’re packaging oversized productsbundling multi-packs, or integrating shrink film into your line, the Pack 301 SK is built to handle it
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Pack 403
The Pack 403 helps you deliver more: faster changeovers, consistent results, and smooth integration with your line and your team. 
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Pack 403 HE
Whether you’re packaging fresh or frozen foods, navigating strict sanitation requirements, or simply looking for a system that’s easier to clean and operate, the Pack 403 HE is built to support your goals
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All Syntegon horizontal flow wrappers
Visually appealing, cost-efficient and extremely flexible: Flow wraps are the all-round solution for the packaging of food products and other piece goods.

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Get a quote

Tell us about your application and we’ll provide you with a customized quote to fit your production needs.

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