Multi-Wall Paper Bag Supplier

Strong partnerships with vertically-integrated production facilities allow us to deliver a broad range of premium quality paper bags.

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Multi-Wall Paper Packaging

Our multi-wall paper bags are produced with state-of-the-art converting equipment in plants and paper mills located both domestically and abroad.

Available in traditional kraft or high-performance extensible paper, Southern Packaging offers an extensive selection of packaging products, consumables, and process solutions, with a wide variety of bag styles to suit all your multi-wall paper packaging needs.

Pasted Valve (PVSE)

A Pasted Valve Stepped End (“PVSE”) multi-wall paper bag, is a common industrial packaging style designed to package a wide variety of dry flowable products. Valve bags are packed on equipment that deposits material into the bag via horizontal filling spout. When the bag is discharged from the packing equipment, forces generated by the product inside the bag allow the valve opening to self-seal. Learn more! about our multiwall bag manufacturers and their innovative techniques!

Technical Applications & Features
  • Ideal for packaging building materials, chemicals, minerals, and agricultural products
  • Designed for high-speed filling
  • 25-100lb Capacity
  • Manufactured with 1-6 plies of paper
  • Multiple valve configurations for unique filling requirements
  • Multiple moisture barrier options
  • Flexographic printing in up to ten colors
  • Perforated paper for fast air evacuation
  • UN Certification
  • Fully customizable for desired application

Pinch Bottom Open Mouth (PBOM)

Used for medium to large format products of varying density, PBOM bags are ideal for high-end and sensitive products in the chemicals, food, pharmaceutical, and pet food industries when barrier liners are required to optimally preserve the bag’s contents. PBOM bags can be closed by sewing, but they are most often closed/sealed by Pinch Bag Closers (PBC) using a pre-applied hot-melt to create sift proof closures. As a leading multi-wall paper bags manufacturer, we ensure that our PBOM bags meet the highest standards of quality and safety. Learn more!

Technical Applications & Features
  • Ideal for packaging food, pharmaceuticals, pet food, and chemicals
  • Designed for high-speed filling
  • 25-100lb Capacity
  • Manufactured with 3-6 plies of paper
  • Pre-Applied Adhesive for Heat seal closure
  • Multiple moisture barrier options
  • Available with a PE coated inner ply, a free film between the paper plies, or greaseproof paper
  • Foil and Mylar liners available for odor protection
  • Available with Easy-Open feature
  • Leak-proof design capabilities
  • Flexographic printing in up to ten colors
  • Matte or glossy finish
  • UN Certification
  • Fully customizable for desired application
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Satchel Bottom Open Mouth (Webb Pinch)

Often referred to as a “Webb” bag, the satchel bottom open mouth bag is a merger of 2 distinct bag styles (SOS & PBOM). This unique bag type offers a square satchel style bottom and sealable open mouth top. Webb bags are closed/sealed by Pinch Bag Closers (PBC) using a pre-applied hot-melt to create sift proof closures. Webb bags palletize and transport better than standard PBOM bags due to their square bottom, providing a superior multi wall packaging solution. Learn more!

Technical Applications & Features
  • Ideal for packaging food, pharmaceuticals, pet food, and chemicals
  • Construction allows bag to stand up unsupported
  • Designed for high-speed filling
  • Manufactured with 3-6 plies of paper
  • Pre-Applied Adhesive for Heat seal closure
  • Multiple moisture barrier options
  • Available with a PE coated inner ply, a free film between the paper plies, or greaseproof paper
  • Foil and Mylar liners available for odor protection
  • Available with Easy-Open feature
  • Leak-proof design
  • Flexographic printing in up to ten colors
  • Matte or glossy finish
  • UN Certification
  • Fully customizable for desired application
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Self-Opening Satchel (SOS)

An SOS bag is a block bottom, gusseted style bag that is capable of standing up unsupported due to its flat, machine-formed base. SOS bags provide superior stability during filling. In addition, their shape stacks well and creates a stable pallet load.

Technical Applications & Features
  • Ideal for packaging charcoal, flour, lawn, sugar, and pet food
  • Block bottom bag with side gusset
  • Construction allows bag to stand up unsupported
  • 1-50lb Capacity
  • Manufactured with 2-4 plies of paper
  • Multiple moisture barrier options
  • Flush cut opening
  • Thumb notch available
  • Available with Easy-Open feature
  • Flexographic printing in up to ten colors
  • Matte or glossy finish
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Sewn Open Mouth (SOM)

An SOM bag is an open mouth bag that is closed using sewing thread. The bag is a flush cut tube that is factory closed at one end and left open at the other end for the customer to pack and sew closed.

SOM bags were one of the earliest multi-wall bag constructions available in the market. Today they remain a tough, economical, workhorse bag style for a broad range of applications. Learn more!

Technical Applications & Features
  • Ideal for packaging feed, fertilizer, and seed products
  • Simple, Cost effective packaging solution
  • 25-60lb Capacity
  • 3-6 ply Construction
  • Flat Tube or Gusseted
  • Moisture barrier options
  • Sewn closure applied by customer
  • Flush cut opening
  • Thumb notch available
  • Available with Easy-Open feature
  • Flexographic printing in up to ten colors
  • Matte or glossy finish
  • UN Certification

Benefits of Multi-Wall Paper Bags

Multi-wall paper bags offer numerous benefits for packaging needs across various industries, making them an essential component of Southern Packaging’s product portfolio. These bags are engineered for durability, ensuring excellent protection of contents during transportation and storage. The multi-layer construction is particularly suitable for products requiring extra strength and resilience, such as chemicals, food products, and pharmaceuticals.

Our multi-wall packaging solutions also provide flexibility in the packaging process. Each bag can be customized with different sizes, shapes, and closure options to meet specific requirements, ensuring a seamless fit for various applications. From production to final delivery, Southern Packaging’s multi-wall bags deliver both quality and versatility, making them the ideal choice for a wide range of industrial and commercial packaging needs.

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Customization and Printing Options

At Southern Packaging, we understand that branding and information are crucial for your products. Our multi-wall paper bag manufacturers offer a variety of customization and printing options. Whether you need detailed graphics, logos, or product information printed on your bags, we provide high-quality printing solutions that enhance the appearance and functionality of your packaging. Our advanced printing technology ensures that your brand stands out on every bag.

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Environmental Impact and Sustainability

We are committed to sustainability and environmental responsibility. Our multi-wall packaging solutions are designed with eco-friendly materials and processes. Multi-wall paper bags are recyclable and biodegradable, reducing their environmental impact. By choosing our bags, you are not only opting for high-quality packaging but also contributing to a greener planet.

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Applications of Multi-Wall Paper Bags

Multi-wall paper bags are versatile and can be used in various applications, including:

  • Food Industry: Packaging for grains, flour, sugar, and other bulk food products.
  • Chemical Industry: Safe and secure packaging for chemicals, fertilizers, and other hazardous materials.
  • Pharmaceutical Industry: Protective packaging for pharmaceutical products that require high barrier properties.
  • Pet Food Industry: Durable packaging for pet food and animal feed, ensuring freshness and protection.
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Partner with Southern Packaging

As a leading supplier of paper bags, Southern Packaging is committed to delivering high-quality, reliable, and customizable multi-wall packaging solutions. With extensive experience and state-of-the-art facilities, we ensure efficient and effective fulfillment of all your multi-wall packaging needs. Our dedicated customer service team is here to guide you every step of the way, providing personalized support to help you achieve your packaging goals. Contact us today to learn more about our products, services, and how our multi-wall expertise can elevate your packaging solutions.

Frequently Asked Questions

What is a multi-wall paper bag?

A multi-wall paper bag is an industrial packaging solution made from multiple layers (plies) of kraft or extensible paper, designed to package dry flowable products such as building materials, chemicals, minerals, food ingredients, and agricultural products. The multi-layer construction provides durability and strength beyond what a single-ply bag can offer, protecting contents during high-speed filling, transportation, and storage.

How are paper bags made?

Multi-wall paper bags are constructed from multiple plies of kraft or extensible paper - typically 1 to 6 layers depending on the bag style and application - that are formed into tubes, sealed, and finished with the appropriate valve, pinch, or sewn closure for the intended use. The number of plies, paper type, and closure method are selected based on the product being packaged and the performance requirements of your filling and shipping process. For a detailed look at how our multi-wall bags are manufactured, see our step-by-step multi-wall paper bag manufacturing guide.

What's the difference between valve bags and open-mouth bags?

Valve bags, like Pasted Valve (PVSE), are filled through a valve opening via a horizontal filling spout, and self-seal once the bag is discharged from the packing equipment - making them well suited for high-speed automated filling. Open-mouth bags, including PBOM, Webb Pinch, SOS, and SOM styles, are open at the top for filling and are closed afterward using sewing, heat seal, or pinch closures. The right choice depends on your filling equipment, production speed, and closure preferences.

Can multi-wall paper bags include a moisture barrier?

Yes. Multiple moisture barrier options are available across our multi-wall paper bag styles, including PE coated inner plies, a free film layer between the paper plies, or greaseproof paper. For products requiring additional odor protection, foil and Mylar liners are also available on select bag styles. The right barrier configuration depends on the moisture sensitivity of the product being packaged - our team can help confirm the best option for your material.

What weight capacity can a multi-wall paper bag hold?

Capacity varies by bag style: our PVSE, PBOM, Webb Pinch, and SOM bags typically hold 25 to 100 lbs, while SOS bags range from 1 to 50 lbs. The right capacity depends on the plies and paper type selected, as well as your filling equipment and handling process. Contact our team to confirm the right specification for your product.

Can multi-wall bags be UN certified for hazardous materials?

Yes. UN Certification is available across several of our multi-wall paper bag styles, including PVSE, PBOM, Webb Pinch, and SOM, making them suitable for packaging hazardous materials that require UN-specification packaging.

Manufacturer Certifications

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