Orange Thermal Labels 4×6″ (100×150 mm) for standout visibility in shipping, batching and barcode printing. Direct thermal economy paper with hot-melt adhesive and a clean perforation between each label. Ideal for ecommerce brands, warehouses and fulfilment centres using colour-coded systems.
Tested in real-world use with Zebra GK420 (d/t), Citizen CL-S and TSC DA/TE 4″ printers. No ribbon, ink or toner required — simple load and print.
Key Features
- Size: 4×6″ (100×150 mm) — UK shipping standard size
- Direct Thermal Economy paper — fast set-up with no ribbon
- Perforation between each label for quick separation
- Hot-melt adhesive — strong bond on cardboard, plastic film and corrugated surfaces
- High-visibility orange stock — perfect for priority orders, returns, colour-coded workflows
- Sharp print quality for barcodes and tracking codes
- Designed for short-term use in shipping and despatch environments
- Compatible with Zebra GK420, Citizen CL-S and TSC 4″ thermal printers
Specifications
| Label Size | 4×6″ (100×150 mm) |
| Colour | Orange |
| Material / Type | Direct Thermal Economy paper |
| Adhesive | Hot-melt, permanent |
| Perforation | Yes — between each label |
| Core Size | 1″ (25 mm) |
| Printer Compatibility | Zebra GK420 series, Citizen CL-S series, TSC DA/TE series |
| Typical Use | Courier labels, barcodes, product ID, colour-coded workflows |
| Packs | Single roll, 10-roll, bulk trade packs |
Printer Compatibility
These labels perform reliably with:
- Zebra GK420d / GK420t
- Citizen CL-S series
- TSC DA210 / DA220 and TE series
Also compatible with other 4″ direct thermal printers supporting 100 mm-wide media.
Common Uses
- Courier shipping labels (Royal Mail, DPD, Evri, UPS)
- Priority dispatches, returns and colour-coded fulfilment workflows
- Warehouse barcodes and product identification
- Box-end, shelf labels and courier returns for high-volume operations
Why Choose These Orange 4×6″ Labels
- UK shipping standard size in a vivid orange for clear visibility
- Print-ready with no ink or toner; quick and efficient
- Durable hot-melt adhesive ensures reliable sticking in busy dispatch environments
- Perforated for speed and ease in high-volume workflows
- Economical direct thermal paper reduces cost for large volumes
- Fast UK despatch and bulk-friendly for business continuity
Storage & Handling
- Store in a cool, dry place away from heat or direct sunlight
- Keep rolls sealed until use to prevent dust or edge blackening
- Use within 12–18 months for best print fidelity (short-term applications)
- On curves or glossy surfaces, run a short test label to confirm adhesion
Helpful Links
- All Labels
- White 4×6″ Labels
- Red 4×6″ Labels
- Blue 4×6″ Labels
- Mailing Bags
- Cardboard Boxes
- Packaging Tape
- Integrated Labels
Label-size guidance: Avery UK shipping label size guide.
Trade & Bulk Orders
Supplying ecommerce brands, fulfilment centres and warehouses across the UK. Real-world tested in busy despatch environments.
- Bulk pricing tiers for 10+, 20+, 50+ rolls (mixed sizes/colours welcome)
- UK warehouse stock for reliable repeat supply
- Same-day despatch before cut-off; next-day courier options
- Pallet shipping available for larger consignments
- Purchase Orders accepted (business customers)
- VAT invoices on every order; pro-forma on request
- Samples for print and adhesion tests
- Compatibility help for Zebra GK420, Citizen CL-S, TSC DA/TE and other 4″ printers
- Colour-coding options: white, red, blue, yellow, orange
- Spec sheets on request (size, core, adhesive, perforation)
For quotes and samples, message us on WhatsApp +44 7450 981838 or email info@mrbags.co.uk.
Delivery & Service
UK stock held in our local warehouse. Orders placed before 5 pm Monday–Friday are despatched the same day.
- Royal Mail Tracked for reliable and fast delivery
- DPD Next Day for time-sensitive orders
- DPD Saturday Delivery available (paid upgrade)
- Tracking details provided automatically after despatch
- Secure packaging to protect rolls during transit
Please notify us in advance for urgent or weekend despatch so we can prioritise your order.
Customer Service & Support
Need help choosing the right size or placing a bulk order? Our team is here to assist you.
- Support – quotes and samples via WhatsApp: +44 7450 981838
- Email: info@mrbags.co.uk
- Click & Collect: 10A Locket Street, Manchester, M8 8EE
- Opening hours: Mon–Fri 10:00–19:00 | Sun 11:00–18:00
We reply quickly with clear, practical guidance.
| Size | 4x6 Inch (102x152 mm) |
| Color | Orange |
| Adhesive | Hot-melt (Permanent) |
| Core Size | 1 Inch (25 mm) |
| Perforation | Yes (Between Each Label) |
| Printer Compatibility | Citizen CL-S, TSC DA, Zebra GK420 |
| Type | Direct Thermal Economy |
Are these 4×6″ thermal labels compatible with Zebra printers?
Yes. These 4×6″ (100×150 mm) direct thermal labels work with most 4″ Zebra printers including GK420d and GK420t that accept roll-fed media.
Will these orange labels work in Citizen and TSC printers?
Yes. They are commonly used in Citizen CL-S series and TSC DA/TE printers for 4″ direct thermal workflows.
Do these labels require ink or toner?
No. Direct thermal labels use heat to print and do not need ink, ribbon or toner.
Are the labels perforated?
Yes. They have a perforation between each label for fast tear-off and quick packing.
What adhesive is used on these labels?
Hot-melt permanent adhesive designed to stick to cardboard, plastic film and corrugated surfaces.
Does the orange colour affect barcode scanning?
No. Barcodes remain clear and scannable when the correct print contrast is used; test a sample if you have unique scanner settings.
What is the core size and size in millimetres?
Core size is 1″ (25 mm). Size is 4×6″ which equals 100×150 mm.
Are these labels suited to long-term storage or outdoor use?
They are intended for short-term use in dry indoor conditions. Direct thermal paper may fade when exposed to moisture, heat or sunlight for extended periods.
How should I store these rolls to maintain quality?
Store in a cool, dry place away from heat and direct sunlight. Keep rolls sealed until ready and free from dust on the edges.
Can I purchase bulk and request samples?
Yes. Bulk and trade packs are available with VAT invoices. For samples or quotes, contact us via WhatsApp +44 7450 981838 or email info@mrbags.co.uk.
Royal Mail 24 Tracked
Dispatched same day if ordered before 5 pm Monday to Friday. Please allow up to 1-2 days for delivery.
£1.99
DPD Next Day
Dispatched same day if ordered before 3 pm Monday to Thursday. Not available to Scottish Highlands & Islands.
£4.99
Free on orders over £100