Our other plastic bags range covers the everyday poly bags that food businesses reach for outside of carrier bags, think grip seal storage bags, vacuum bags for sealing fresh produce, snappy sandwich bags for quick service, and clear polythene bags available in 100G through to 500G thicknesses depending on how much weight they need to hold.

We also stock specialist formats like perforated bread bags and a kraft baguette collar with perforated film, so bakeries and delis get the right fit rather than a one-size bag. Most products in this wholesale plastic bags range are freezable and recyclable, and several can be custom printed. Browse the full bags range if you also need carrier bags or paper alternatives.

Why Choose Packaging By Polymer

We stock polythene bags wholesale across multiple thicknesses and formats, so you're not stuck sizing up or down, just the right food-grade bag for the job, delivered the next day from our London warehouse.

Grip seal, vacuum, snappy and bread bag formats
Clear polythene bags from 100G to 500G thickness
Food-grade and freezer-safe options throughout
Custom printing available on selected bags
Free next-day delivery across the UK
Trade pricing for wholesale and bulk orders

FAQs

What customer ask for!

1. What are polythene bags used for in food businesses?

Polythene bags are used for storing, freezing, wrapping and packing food items — from bread and sandwiches to loose produce. Different thicknesses and formats (grip seal, vacuum, snappy) suit different jobs, from short-term counter use to freezer storage.

2. Are grip seal bags food safe?

Yes. Our grip seal bags are food-grade and designed for self-sealing storage, making them useful for portioning, prepping or storing ingredients without needing heat sealing equipment.

3. What thickness of polythene bag do I need for food packaging?

Lighter bags (100G–150G) suit everyday wrapping like bread or sandwiches, while heavier gauges (250G–500G) hold up better for bulkier or sharper items. If you're unsure, our team can advise based on what you're packing.

4. Where can I buy clear plastic bags in bulk in the UK?

Packaging By Polymer supplies clear plastic bags for food by the case at wholesale prices, with next-day delivery across the UK for restaurants, bakeries, delis and other foodservice businesses.

5. What's the difference between a grip seal bag and a vacuum bag?

A grip seal bag self-seals by pressing the edges together, good for quick storage, while a vacuum bag is designed for use with vacuum sealing equipment to remove air and extend shelf life, better suited to longer-term food storage.

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20 products

Kraft Baguette Collar With Perforated Film [60mm Diameter]

Self Sealed/ Grip Seal Clear Bag

Vacuum Bag

Vacuum Bag - Blue Tint

Poly Plain Snappy Sandwich Bag

Clear Polythene Bag, Thickness: 120G

Clear Polythene Bag, Thickness: 100G

Clear Polythene Bag, Thickness: 250G

Clear Polythene Bread Bag, Thickness: 100G

Clear Polythene Bag, Thickness: 150G

Perforated Clear Polythene Bread Bag, Thickness: 100G

Perforated Clear Polythene Bag, Thickness 120G

Perforated Clear Polythene Bag, Thickness 100G

Poly Perforated Bag French Stick

Clear Polythene Bag, Thickness: 500G

Clear LDPE Sacks, Food Grade, Thickness: 30micron - 450 + 725 x 975mm