Working with the right plastic bag manufacturer helps you secure a reliable packaging supply while keeping your sourcing costs under control. By working directly with manufacturers, you can often reduce costs by 10–25%, shorten production and delivery timelines, and maintain consistent quality across all your orders.
This article introduces 5 plastic bag manufacturers in Melbourne that support a wide range of bag types, materials, and production volumes. These suppliers can help you choose practical, cost effective packaging solutions that align with your product requirements, order quantities, and budget.
At the end of the list, you will also find simple sourcing tips to help you compare suppliers, avoid common cost issues, and build long term partnerships that support your business growth.

1. RollsPack
RollsPack is a Melbourne-based flexible packaging manufacturer with a strong focus on food, retail, and e-commerce applications. The company is well known for its award-winning printed packaging and its emphasis on quality, consistency, and sustainable manufacturing practices.
In terms of production capacity, RollsPack publicly references large-scale commercial volumes, supporting orders from 50,000+ units for finished bags and 1,000+ kg for printed rewind films. This positions the company well for medium to high-volume procurement programs requiring reliable local manufacturing.

Company snapshot
- Founded in: 1985
- Annual production: Not publicly disclosed (large-volume commercial manufacturing capability)
- Expertise: Flexible packaging, printed plastic bags, e-commerce mailers, food packaging, tamper-evident solutions
- Strengths: Award-winning manufacturer, strong sustainability focus, broad industry coverage
- Certificates: ISO 9001, ISO 22000, FSSC 22000, HACCP, NASAA Organic
Contact information
- Website: https://www.rollspack.com.au
- Phone: +61 3 9588 0055 | 1800 ROLLSPACK
- Email: customerservice@rollspack.com.au
- Address: 81–89 Malcolm Road, Braeside, VIC 3195, Australia
2. Pinpak
Pinpak is an Australian plastic bag manufacturer operating from Melbourne, specialising in in-house production to maintain control over quality and lead times. The company services a wide range of commercial and industrial customers across Australia.
A key differentiator for Pinpak is its vertically integrated production setup, combining blown film extrusion, bag converting, and flexographic printing at a single site. This structure enables efficient custom manufacturing for both plain and printed plastic bags.

Company snapshot
- Founded in: 1987
- Annual production: Not publicly disclosed
- Expertise: Blown film extrusion, plastic bag converting, flexographic printing, slitting
- Strengths: End-to-end in-house manufacturing, custom specifications, fast turnaround
- Certificates: Food-grade manufacturing standards referenced; no formal ISO certification publicly listed
Contact information
- Website: https://www.pinpak.com.au
- Phone: +61 3 9897 4000 | 1300 855 571
- Email: sales@pinpak.com.au
- Address: Factory 3–8, 35 Lexton Road, Box Hill North, VIC 3129, Australia
3. Polypac Converting
Polypac Converting is a Melbourne-based, family-owned manufacturer specialising in polythene plastic bags and plastic film products. The company supplies both plain and printed bags as well as perforated plastic rolls to a broad range of industries.
Rather than publishing production volumes, Polypac highlights its operational longevity, with over 45 years of continuous manufacturing experience, reflecting stability and long-term customer relationships within the Australian packaging market.

Company snapshot
- Founded in: Not publicly stated (over 45 years in operation)
- Annual production: Not publicly disclosed
- Expertise: Polythene plastic bags, printed and plain bags, perforated plastic rolls, plastic film
- Strengths: Long-standing family business, focused product range, Melbourne-based manufacturing
- Certificates: No formal certifications publicly listed
Contact information
- Website: https://www.polypac.com.au
- Phone: +61 3 9527 5081
- Email: polypac@polypac.com.au
- Address: 17 Hewitt Street, Cheltenham, VIC 3192, Australia
4. Selseal Pak (Aust) Pty Ltd
Selseal Pak is a Melbourne-based manufacturer specialising in resealable ziplock plastic bags and related flexible packaging products. The company operates as a family-owned business and supplies Australian-made plastic bags to customers nationwide, with a strong focus on quality and consistency.
Rather than publishing production volumes, Selseal Pak highlights its broad manufacturing capability, offering custom-made resealable bags across a wide range of sizes and thicknesses. This flexibility allows the company to support applications in food packaging, medical use, retail, and industrial handling.

Company snapshot
- Founded in: 1996
- Annual production: Not publicly disclosed
- Expertise: Ziplock and resealable plastic bags, open loose bags, specimen and biohazard bags, PP/BOPP bags, plastic tubing and rolls
- Strengths: In-house custom manufacturing, wide size and thickness range, Australian-made focus
- Certificates: Australian Made
Contact information
- Website: https://www.selsealpak.com.au
- Phone: +61 3 9310 2688
- Email: website@selsealpak.com.au
- Address: 32 Agosta Drive, Laverton North, VIC 3026, Australia
5. Sealapak
Sealapak is an Australian manufacturer specialising exclusively in grip seal (ziplock-style) plastic bags. With decades of experience in this niche, the company focuses on bespoke production for business customers requiring reliable, locally manufactured resealable packaging.
A key characteristic of Sealapak’s operation is its ability to manufacture custom grip seal bags at its South Dandenong facility once specifications are approved, making it well suited for customers who value local production, controlled turnaround times, and consistent quality.

Company snapshot
- Founded in: Not publicly stated (over 30 years of manufacturing experience)
- Annual production: Not publicly disclosed
- Expertise: Grip seal and ziplock plastic bags, custom resealable packaging
- Strengths: Dedicated grip-seal specialist, local manufacturing, custom-focused production
- Certificates: Not publicly listed
Contact information
- Website: https://www.sealapak.com.au
- Phone: +61 3 9794 0122
- Email: sales@sealapak.com.au
- Address: 25 Stephen Road, Dandenong South, VIC 3175, Australia
Final Thoughts
The plastic bag manufacturers in Melbourne listed above offer dependable product quality, reasonable lead times, and clear communication. They are a practical option if you are focused on cost control, supply reliability, and meeting standard retail, food, and commercial packaging requirements. These suppliers are particularly suitable for small to medium order volumes that require consistent material specifications and reliable quality across production batches.
When your order quantities exceed 10,000 pieces, sourcing from more cost-competitive manufacturing countries can significantly improve your overall cost structure. By manufacturing in countries such as Vietnam, you can typically achieve 17–45% cost savings, supported by direct access to plastic resin suppliers, competitive production costs, and well-established export infrastructure. This approach helps you reduce unit costs while maintaining consistent quality and dependable delivery schedules.
K-Packings supplies plastic bags to customers in more than 30 countries, supporting high-volume programs with strict quality control and lead times of 15–25 days. Offshore sourcing becomes a practical option if you are price-sensitive, planning to scale production, or looking to diversify your supply base to maintain long-term cost stability as your business grows.
Get Free Plastic Bag Samples for Your Business
Before placing a bulk order, you can request free plastic bag samples to verify material strength, thickness consistency, printing quality, and sealing performance for your specific application. Factory visits are also available to help you reduce sourcing risks before moving into large-scale production.
You can also review reference projects and customers we have worked with, including Costco, Tony’s Fresh Market, Savers, and Harbor Freight. This hands-on verification further reduces sourcing risk and gives you greater confidence before committing to high-volume manufacturing.
Contact K-Packings
WhatsApp / Phone: (+84) 855 555 751
Email: info@k-packings.com | sale@k-packings.com
Addresses:
USA: 7319 N. Loop 1604 E, San Antonio, TX 78233, United States
Angola: Av. Pedro de Castro Van-Dúnem Loy, Luanda, Angola
Vietnam: 169 Nguyen Ngoc Vu Street, Cau Giay District, Hanoi
