Mr Bags Blog, Tips from the UK’s Cheapest Packaging Supplier

Tue Mar 17 • By Isabella Jacobs • 8 min read

Best Thermal Printers for Shipping Labels in the UK – Complete 2026 Guide

Learn which thermal printers UK ecommerce sellers use for shipping labels. This guide explains 4×6 (100×150mm) label compatibility, courier requirements and how...

Sun Mar 08 • By Isabella Jacobs • 6 min read

Why Thermal Labels Stop Sticking – Causes and Fixes for UK Sellers

Thermal labels not sticking? Learn why shipping labels peel off boxes and mailing bags, plus practical fixes for 4×6 (100×150mm) thermal labels...

Fri Feb 27 • By Isabella Jacobs • 4 min read

Thermal Printer vs A4 Shipping Labels – What UK Sellers Should Use

Thermal printer vs A4 shipping labels UK. Compare real costs, speed and barcode reliability to see if 4×6 (100×150mm) thermal labels are...

Fri Feb 20 • By Isabella Jacobs • 13 min read

Where to Buy 4×6 Thermal Labels in the UK (100×150mm Direct Thermal Guide 2026)

A complete UK guide to 4×6 thermal labels (100×150mm). Compare suppliers, specs, pack sizes and find the best direct thermal shipping labels...

Sat Jan 17 • By Isabella Jacobs • 9 min read

DPD 4×4 vs 4×6 Direct Thermal Labels – UK Shipping Guide for Sellers (2026)

Confused about DPD 4×4 vs 4×6 Direct thermal labels? This UK seller guide explains when to use each size, common mistakes, printer...

Sun Jan 11 • By Isabella Jacobs • 7 min read

How to Send Clothes by Post in the UK – Mailing Bags vs Boxes (2026)

Posting clothes in the UK looks easy until something goes wrong: a parcel arrives wet, a bag splits, a hoodie turns up...

Fri Jan 02 • By Isabella Jacobs • 9 min read

Royal Mail 4×6 Direct Thermal Labels: What UK Sellers Need After the 2026 Change

Royal Mail now charges for 4×6 Direct thermal labels and limits how many rolls sellers can order at once. This 2026 guide...

Thu Jan 01 • By Isabella Jacobs • 4 min read

Royal Mail Parcel Guide 2026 – Mailing Bag Sizes, Weights & Posting Rules

Royal Mail is the most commonly used delivery service for UK eCommerce sellers, especially for clothing, gifts and small parcels. In 2026,...

Wed Dec 24 • By Isabella Jacobs • 10 min read

How to Pack Parcels Properly in 2026 – UK Mailing Bag Packing Guide

Introduction: Why Proper Parcel Packing Matters in 2026 In 2026, customers expect parcels to arrive quickly, cleanly and without damage. If packing...

The Mr Bags Blog: Smart Packaging Starts Here