120G Polythene Bags
Product overview
These clear block-bottom (B/W) polythene bags are designed to give you a neat, professional pack presentation while keeping contents visible. Supplied paper wrapped for convenient handling and storage, they’re a practical choice for busy packing benches where speed, consistency and clean presentation matter.
Made from 120g polythene (approx. 38 micron), these bags offer a dependable balance of clarity and strength for everyday packing tasks. The block-bottom design helps the bag stand more easily when being filled, making them well suited to packing a wide range of products where a stable base and tidy finish are important.
Key features
Clear presentation
The transparent film helps showcase the product inside, making these bags ideal where quick identification and attractive display are needed.
Block-bottom (B/W) format
The block-bottom construction provides a more stable base than a flat bag, helping the bag hold its shape during filling and improving the overall look of the packed item.
120g polythene (approx. 38mu)
A robust everyday gauge that supports reliable packing performance for many general-purpose applications without unnecessary bulk.
Paper wrapped supply
Paper-wrapped packs help keep bags together and easier to store, issue and handle—useful for stock control and maintaining a tidy work area.
Efficient for high-volume packing
Supplied in bulk quantities to support repeat packing tasks, helping reduce changeovers and keep workflows moving.
Key features (at a glance)
- Clear film for easy product visibility
- Block-bottom (B/W) style for improved stability and presentation
- 120g polythene (approx. 38 micron)
- Paper wrapped for convenient handling and storage
- Bulk packed for efficient day-to-day use
Typical uses
- General packing and protection for parts, components and products
- Retail and trade counter packing where contents need to be visible
- Organising and separating items in storage, picking and dispatch
- Presentation packing where a stable base improves the finished look
Clear B/W Poly Bags — Full Product Guide
Choosing the right polythene bag is about more than just dimensions. Film gauge, bag style and how the bags are supplied can all affect packing speed, presentation and protection. This guide explains what to expect from clear block-bottom polythene bags in 120g (approx. 38mu) and how to get the best results in day-to-day use.
How it works
These bags are formed from clear polythene film and made in a block-bottom format. The bottom construction creates a base that opens more readily and helps the bag hold its shape while you load products. This can make filling quicker and more consistent compared with a flat bag, especially when packing multiple items or products that benefit from a more structured pack.
Materials and construction
Polythene film
Polythene is widely used for packaging because it is lightweight, flexible and provides a barrier against dust and light moisture. The clear film supports easy identification of contents and can help reduce handling time during picking and packing.
Gauge / thickness
This product is specified as 120g with an approximate thickness of 38 micron (38mu). Gauge is a key factor in how a bag performs: thicker films generally offer increased puncture resistance and durability, while thinner films can be more economical for lighter-duty tasks. This 120g / 38mu specification is intended for dependable everyday packing where a balance of strength and usability is required.
Block-bottom (B/W) design
The block-bottom construction creates a more stable base and can improve the appearance of the packed product. It also helps the bag open more easily, which can be beneficial when packing at speed.
Floor type compatibility
These bags are suitable for use across typical packing environments including warehouses, stockrooms, retail back-of-house areas and production packing benches. For best results, store packs in a clean, dry area and keep them close to the packing station to reduce handling and improve workflow.
Health and safety
- Keep away from children: plastic bags can present a suffocation hazard.
- Workplace handling: when opening bags quickly, take care to avoid paper cuts from the wrapping and to prevent slips caused by loose film on the floor.
- Storage: keep away from heat sources and direct sunlight to help maintain film performance.
Ideal applications and use cases
Clear block-bottom polythene bags are a versatile option when you want a tidy pack with visible contents. They are commonly chosen for:
- Parts and components where quick identification is important
- Multi-item packs where a stable base helps keep items together neatly
- Retail-ready presentation where clarity supports display and reduces the need to open packs
- Picking and dispatch where consistent bag opening and filling can improve throughput
Maintenance, cleaning and care
Polythene bags are designed for single-use packaging in many settings, but good storage and handling practices help maintain quality:
- Keep packs paper wrapped until needed to reduce dust and contamination.
- Store flat and avoid crushing to help bags open cleanly.
- If using in a packing line, consider keeping an opened pack in a clean dispenser area to reduce handling time.
Case study (example workflow)
Scenario: A busy dispatch bench needs a clear, presentable bag for packing mixed small items for trade customers.
- Challenge: Flat bags slow down packing because they can be fiddly to open and don’t present as neatly once filled.
- Solution: Switching to a block-bottom clear bag improves opening and filling speed, while the stable base gives a cleaner finished pack.
- Result: Faster packing rhythm, easier visual checks of contents, and a more consistent presentation for customers.
Who is it for?
- Warehouses and fulfilment teams packing high volumes
- Retailers and trade counters needing clear product visibility
- Manufacturers and workshops organising parts and kits
- Any operation that values a stable, tidy pack presentation
Colours / features available
This listing is for clear block-bottom polythene bags. Depending on the wider range, similar bags may be available in other gauges or formats; select the option that best matches your packing needs.
Sizes available
This product page may represent multiple size options within the same range. Please choose the required size/variant from the options on this page. If you need guidance selecting the most suitable size or gauge for your application, contact the team with details of what you’re packing and how the bags will be used.