Skip to product information
1 of 1

7x9 - 120g Clear Poly Bags (178x229mm - 30mu)

7x9 - 120g Clear Poly Bags (178x229mm - 30mu)

SKU:04A12-1000

Stock Item

View full details
7x9 - 120g Clear Poly Bags (178x229mm - 30mu)

120G Polythene Bags

Clear Poly Bags (120 Gauge / 30 Micron) — Practical Protection for Packing, Storage & Presentation

These clear polythene bags are a dependable everyday choice when you need a neat, lightweight way to protect, organise and present items. Made from clear LDPE-style polythene and supplied in a popular medium-duty thickness (commonly sold as 120 gauge / 30 micron), they’re designed to keep contents clean and contained while still allowing quick visual identification.

Because these bags are transparent, they’re ideal for fast-paced packing benches, stockrooms and retail environments where you want to see what’s inside at a glance. They’re also widely used for separating components, bundling small parts, and keeping products protected from dust and handling marks during storage or transit.


Key Features

Clear visibility:
Transparent film helps you identify contents instantly—useful for picking, packing, stock control and retail presentation.

Medium-duty thickness (120g / 30mu):
This commonly specified thickness offers a practical balance between flexibility and durability for everyday packaging tasks.

Lightweight protection:
Helps shield items from dust, light scuffs and general handling while keeping packaging weight low.

Versatile for many industries:
Suitable for retail, e-commerce fulfilment, workshops, offices, schools and general storage applications.

Simple, cost-effective packaging:
A straightforward solution when you need reliable bags in bulk for routine packing and organisation.


Key Features (Bullet Summary)

  • Clear polythene bags for quick content identification
  • Popular thickness: 120 gauge / 30 micron
  • Helps protect items from dust and handling
  • Flexible film for easy loading and packing
  • Ideal for storage, presentation and general-purpose packaging

Typical Uses

  • Retail presentation: packaging small products, accessories, stationery and craft items
  • Stockroom organisation: separating parts, labelling batches, keeping components together
  • E-commerce fulfilment: inner protection for items before placing into mailing bags or boxes
  • Workshops & trade counters: bundling fixings, fittings and small hardware
  • Office & education: storing documents, supplies, samples and classroom materials

Clear Poly Bags (120 Gauge / 30 Micron) — Full Product Guide

Clear poly bags are one of the most widely used packaging formats because they’re simple, adaptable and economical. This listing covers clear polythene bags supplied in a commonly requested thickness—often described as 120 gauge or 30 micron (30mu). Many packaging suppliers use these terms interchangeably for this grade of film, making it easier to match bags across different catalogues and procurement systems.

On a busy packing bench, the benefits are immediate: the bag opens quickly, loads easily, and the contents remain visible. In storage, the bag helps keep items grouped and protected from dust. In retail, the clear finish supports a clean, professional presentation without hiding the product.


How It Works

These bags provide a simple barrier layer around your product. The polythene film wraps the item to reduce exposure to dust and handling, while the clear finish keeps the contents visible for identification and presentation. They’re commonly used as an inner pack (inside a carton or mailing bag) or as a standalone bag for storage and organisation.

Because the film is flexible, it conforms around many shapes—flat items, small boxed goods, bundles of components, and irregular products—making it a practical choice when you need one bag type to cover a wide range of packing tasks.


Materials and Construction

Clear poly bags are typically produced from LDPE-style polythene film. LDPE is valued in packaging because it is lightweight, flexible and resistant to tearing under normal handling. The film is transparent, which supports quick checks and reduces the need to open packs during picking or stock counts.

Thickness terminology:
Many suppliers describe this grade as 120 gauge and also as 30 micron. External supplier references commonly state that 120 gauge corresponds to 30 micron, which helps when comparing specifications across different websites and catalogues.


Choosing the Right Thickness (Why 120 Gauge / 30 Micron?)

Thickness is one of the most important factors in selecting a poly bag. A lighter film can be ideal for very lightweight items, while heavier films are chosen for sharper edges or more demanding handling. The 120 gauge / 30 micron grade is widely used as a practical middle ground for general-purpose packaging—flexible enough to load quickly, while offering a more substantial feel than very thin films.

If you’re standardising packaging across a team, this thickness is often a good default because it suits many everyday products and reduces the need to stock multiple bag grades.


Visibility, Presentation and Labelling

Clear film supports a tidy presentation and makes it easy to confirm the correct item without opening the bag. This can speed up picking and reduce packing errors. For stock control, clear bags also work well with simple labels or marker pens, allowing you to add batch codes, dates or internal references.

In retail settings, clear bags can help keep products clean and protected while still allowing customers to see the item clearly.


Food Use (Important Guidance)

Some suppliers sell 120 gauge / 30 micron clear poly bags as food safe, while others may not specify food suitability. External references for similar 120g (30 micron) clear poly bags commonly describe them as food safe; however, suitability can vary by manufacturer and specification.

Best practice: If you intend to use these bags for food contact, confirm that the product specification explicitly states food safe, food grade, or suitable for food use for the exact item you are purchasing.


Ideal Applications and Use Cases

  • Retail & merchandising: packaging small goods, accessories, craft items and components for display
  • Warehousing & stock control: grouping parts, protecting items on shelves, simplifying inventory checks
  • Manufacturing & assembly: kitting components, separating sub-assemblies, keeping parts clean between processes
  • E-commerce fulfilment: inner protection for items before placing into outer packaging
  • Office, education & events: organising supplies, handouts, samples and promotional items

Maintenance, Cleaning and Care

Poly bags are typically intended for single-use packaging, but they can sometimes be reused for storage depending on your application. Store unused bags in a clean, dry area away from direct sunlight and excessive heat to help maintain film performance. Avoid overfilling or forcing sharp-edged items into the bag, as this can increase the risk of punctures.


Case Study (Example Workflow)

Scenario: A small e-commerce operation ships multiple product lines with similar shapes and sizes. Packing errors and scuffs during handling were causing avoidable returns.

Approach: The team standardised on clear poly bags in a medium-duty thickness (120 gauge / 30 micron) as an inner pack. Items were bagged first, then placed into the final mailing bag or carton.

Outcome: Products stayed cleaner during handling, pickers could visually confirm items quickly, and the packing bench workflow became more consistent.

Note: This is an illustrative example of how clear poly bags are commonly used in practice; results depend on product type and handling conditions.


Who Is It For?

  • Retailers who want a clean, transparent presentation
  • Warehouses and stockrooms needing quick identification and organisation
  • Workshops and trade counters bundling small parts and components
  • E-commerce fulfilment teams looking for simple inner protection
  • Schools, offices and event organisers managing supplies and handouts

Colours / Features Available

This product is supplied as clear polythene bags to maximise visibility of contents. Clear film is often preferred where fast identification, presentation and stock control are priorities.


Sizes Available

This listing represents a specific bag size within a broader range of clear poly bags. If you are selecting bags for a new application, consider:

  • Internal fit: allow enough room for easy loading without stretching the film
  • Product shape: bulky or irregular items may need extra width
  • Pack process: if you label or insert paperwork, choose a size that accommodates your workflow

For consistent results, match the bag size to your product dimensions and packing method rather than relying on nominal size alone.


Specification Notes (Terminology)

  • Gauge vs micron: Many suppliers list 120 gauge as 30 micron for clear poly bags.
  • Polythene / poly: Common shorthand for polyethylene film bags used across packaging and storage.

If you need help choosing the best bag size or thickness for your application, share what you’re packing and how it will be handled, and we can recommend a suitable option.