Product Guide: Letterbox Boxes | Sizes and Uses – Page 3

Royal Mail Letterbox Size Rules Explained for UK Businesses

Home›Product Guide: Letterbox Boxes›Royal Mail Letterbox Size Rules Explained for UK Businesses Product Guide Royal Mail Letterbox Size Rules Explained for UK Businesses Royal Mail large letter rules decoded: exact dimensions, weight limits, and how they affect your postage costs. 3 min readUpdated April 2025 In this guide The size rules Exact dimensions Weight bands Compliance tips FAQs The size rules Maximum dimensions: 353mm long x 250mm wide x 25mm thick ✅ Maximum weight: 750g across four weight bands Exceeding any dimension reclassifies as small parcel at significantly higher postage... Read more...

Letterbox Boxes vs Postal Boxes: Whats the Difference?

Home›Product Guide: Letterbox Boxes›Letterbox Boxes vs Postal Boxes: What Is the Difference? Product Guide Letterbox Boxes vs Postal Boxes: What Is the Difference? Letterbox vs postal boxes: which format suits your products and shipping budget best. 3 min readUpdated April 2025 In this guide Key differences Cost comparison Protection comparison When to use each FAQs Key differences Letterbox boxes: under 25mm thick, fit through letterboxes, qualify for large letter postage rates Postal boxes: standard depth, require someone home or safe place, ship as small/medium parcels ✅ Letterbox = cheaper postage... Read more...

How to Choose the Right Letterbox Box Size for Your Products

Home›Product Guide: Letterbox Boxes›How to Choose the Right Letterbox Box Size for Your Products Product Guide How to Choose the Right Letterbox Box Size for Your Products Find the ideal letterbox box size that fits your product, fits through the door, and fits the cheapest postage rate. 3 min readUpdated April 2025 In this guide Size limits How to measure Common sizes Sizing tips FAQs Size limits Royal Mail large letter max: 353mm x 250mm x 25mm thick, up to 750g ✅ Standard UK letterbox opening: approximately 250mm wide x... Read more...