Grip-Seal Polythene Bags
NoA4 Pro-Loc Grip Seal Bags — Clear LDPE Resealable Storage & Protection
Pro-Loc grip seal bags are designed for fast, reliable packing where you need to open and close the bag repeatedly without losing protection. This NoA4 format is a popular choice for organising parts, paperwork, samples and products that benefit from a clear, tough polythene bag with a secure press-to-close seal. The bag material is clear LDPE polythene and is specified as 45 micron (180 gauge), giving a sturdier feel suited to heavier items and frequent handling. These bags are also listed with 30% recycled content and as 100% recyclable.
Key Features
Secure grip-seal closure:
Press-to-close seal helps keep contents contained and protected, while allowing quick access for picking, checking, and re-packing.
Reusable and resealable:
Ideal for workflows where items are accessed multiple times—helping reduce waste compared with single-use closures.
Clear LDPE for easy identification:
High clarity makes it simple to identify contents at a glance, supporting faster stock checks and fewer picking errors.
Heavier-duty film:
Specified at 45 micron / 180 gauge, offering improved durability for parts, components and general storage.
Recycled content & recyclability:
Listed with 30% recycled content and as 100% recyclable, supporting packaging choices that consider material recovery.
- Grip-seal, press-to-close closure for quick packing and repeat access
- Clear LDPE polythene for visibility and presentation
- 45 micron / 180 gauge film for tougher everyday use
- Reusable format suited to picking, kitting and returns
- 30% recycled content and listed as 100% recyclable
Typical Uses
- Organising small parts, fixings, fasteners and components
- Protecting items from dust and handling during storage
- Packaging samples, spares, and service kits
- Keeping paperwork, instructions, or labels with products (where appropriate)
- General warehouse, workshop, office and dispatch organisation
NoA4 Pro-Loc Grip Seal Bags — Full Product Guide
Grip seal bags are a staple across warehousing, manufacturing, retail and fulfilment because they combine speed, visibility and protection in one simple format. This Pro-Loc style bag is intended to be straightforward: open the mouth, insert the contents, then press along the seal to close. When you need access again, the seal can be opened and re-closed without tools or additional consumables.
How It Works
The closure is a press-to-close “grip seal” track integrated into the bag. After filling, you align the tracks and press along the top to create a continuous seal. This helps reduce accidental opening during handling and makes it easy to confirm closure by running your fingers along the seal line. Because the closure is built into the bag, there’s no need for tape, staples or separate clips for everyday use.
In practical terms, this means faster packing at the bench, quicker picking in the warehouse, and easier rework or inspection—especially when items need to be checked, counted, or returned to stock.
Materials and Construction
These bags are specified as clear LDPE (low-density polyethylene) polythene. LDPE is widely used for flexible packaging because it offers a good balance of clarity, flexibility and toughness. The film thickness is listed as 45 micron (180 gauge), which is commonly chosen when you want a more robust bag for heavier parts or frequent opening and closing.
The product listing also states 30% recycled content and that the bags are 100% recyclable. If you are building a recycling process, it’s still good practice to confirm local acceptance for LDPE film and ensure the bags are clean and free from contamination before recycling.
Floor Type Compatibility
These grip seal bags are used across many environments rather than being tied to a specific floor type. They are suitable for typical warehouse and workshop settings, including packing benches, shelving areas, and dispatch stations. In clean office environments they can also be used for document protection and organisation. Where dust, debris or oils are present, the resealable closure helps keep contents protected between uses.
Health and Safety
As with all plastic bags, keep away from babies and young children due to suffocation risk. In industrial settings, ensure bags are used appropriately for the contents—particularly if packing sharp-edged components that could puncture film. For best results, avoid overfilling and ensure the seal area is free from trapped product or debris so the closure can engage properly.
If you are using bags in production or quality-controlled environments, consider whether you need additional controls such as batch traceability, labelling procedures, or clean handling practices.
Ideal Applications and Use Cases
Parts and components:
Ideal for screws, bolts, fittings, electrical components, and small assemblies. The clarity supports quick identification and the thicker film helps withstand handling.
Kitting and assembly preparation:
Use to group all parts required for a job into one resealable pack. This can reduce line-side searching and improve consistency.
Returns and inspection:
Because the bag can be opened and resealed, it’s useful for returns processing, sample retention, and quality checks where items may be accessed multiple times.
Storage and organisation:
Suitable for drawers, bins, shelving and racking systems where you want to keep items clean, separated and easy to count.
Maintenance, Cleaning and Care
Grip seal bags are generally low-maintenance. Store them in a clean, dry area away from direct heat and sunlight to help preserve film performance. When reusing bags, check the seal tracks for debris and ensure the closure still engages smoothly. If the bag has been punctured or heavily creased at the seal, replace it to maintain protection.
For recycling, keep bags clean and dry where possible and follow your local guidance for LDPE film recycling streams.
Case Study (Typical Workflow Example)
A maintenance team preparing service kits can pre-pack common consumables and small spares into resealable grip seal bags. Each kit can be labelled and stored on a shelf for quick issue. When a technician uses part of a kit, the remaining items can be resealed and returned to stock without needing additional packaging. The clear film makes it easy to confirm contents visually, while the thicker 45 micron film helps the bag hold up during transport and repeated handling.
Who is it for?
- Warehouses and fulfilment teams needing fast, repeatable packing
- Manufacturing and assembly operations doing kitting and line-side supply
- Maintenance departments organising spares and service parts
- Retail and e-commerce operations packing small items and accessories
- Offices and labs needing clear, resealable organisation (where suitable)
Colours / Features Available
This listing is for clear LDPE grip seal bags. The key functional feature is the integrated Pro-Loc style grip seal closure designed for resealing and reuse.
Sizes Available
This product page represents a grip seal bag format offered in this NoA4 size. Sapphire grip seal bags are commonly available across a range of sizes within the same family, so if you need a smaller or larger option for your contents, check the related grip seal bag range.
Packing quantities:
The product listing shows pack formats including 1,000 bags per inner pack and 2,000 bags per outer box (where applicable), which can help when planning storage space and ordering frequency.
Need help choosing the right grip seal bag?
If you’re unsure which thickness or bag format best suits your application, consider the weight and shape of the contents, how often the bag will be opened, and whether you need maximum clarity for presentation or faster identification in storage.