Red 4×6″ Direct Thermal Shipping Labels (100×150 mm)

Red Thermal Labels 4×6″ (100×150 mm) give instant visibility for priority orders, returns and colour-coded picking. These direct thermal economy labels use a permanent hot-melt adhesive and include a tidy perforation between each label for quick tear-off at the bench.

Proven in daily use with Zebra GK420 (d/t), Citizen CL-S and TSC DA/TE 4″ printers. No ribbon required — load the roll and print.

Key Features

4×6″ (100×150 mm) — widely used UK courier label size
Direct thermal paper — print with heat, no ink or toner
Perforated between each label for fast, clean separation
Hot-melt permanent adhesive — bonds to cardboard, film and most plastics
High-contrast red stock — ideal for batching, priorities and area codes
Sharp barcode/QR output with standard contrast settings
Designed for short-term despatch and warehouse tasks
Compatible with Zebra GK420, Citizen CL-S and TSC 4″ direct thermal models

Specifications

Label Size	4×6″ (100×150 mm)
Colour	Red
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, colour-coded picks, barcodes, product ID
Packs	Single roll, 10-roll, bulk trade packs

Printer Compatibility

Used across UK despatch teams with:

Zebra GK420d / GK420t
Citizen CL-S series
TSC DA210 / DA220 and TE series

Also suitable for other 4″ direct thermal printers that accept 100 mm media width.

Common Uses

Courier labels for Royal Mail, DPD, Evri and UPS
Priority orders, wave picking and returns lanes
Warehouse barcodes and shelf/bin identification
Brand or route-coded labelling in fulfilment

Why Choose These Red 4×6″ Labels

Standout red colour improves picking accuracy and order routing
Heat-print simplicity — no consumables beyond the roll
Reliable hot-melt adhesive for busy packing benches
Perforated format speeds handling in high-volume runs
Cost-effective economy stock for daily shipping
Fast UK despatch and consistent supply for business buyers

Storage & Handling

Keep in a cool, dry place away from heat or direct sunlight
Leave rolls sealed until needed to avoid dust on edges
Use within 12–18 months for best print performance
Trial on curved or low-energy plastics if adhesion is critical

Helpful Links

Label size guidance: Avery UK shipping label size guide.

Trade & Bulk Orders

Supplying ecommerce brands, fulfilment centres and warehouses nationwide. Built for real packing environments.

Volume pricing at 10+, 20+, 50+ rolls (mixing sizes/colours is fine)
UK warehouse stock for dependable repeat supply
Same-day despatch before 5 pm Mon–Fri; next-day courier available
Pallet options for large consignments
POs accepted for business accounts
VAT invoices provided; pro-forma on request
Samples & spec sheets available for print/adhesion tests
Compatibility help for Zebra GK420, Citizen CL-S, TSC DA/TE and other 4″ models

Quotes or samples: WhatsApp +44 7450 981838 or info@mrbags.co.uk.

Delivery & Service

UK stock. Orders placed before 5 pm Monday–Friday despatch the same day.

Royal Mail Tracked for dependable delivery
DPD Next Day for time-critical shipments
DPD Saturday Delivery available (paid upgrade)
Tracking sent automatically after despatch
Secure packaging protects rolls in transit

Please let us know in advance for urgent or weekend despatch.

Customer Service & Support

Need help choosing the right roll or placing a bulk order?

WhatsApp support: +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 respond quickly with clear, practical guidance.