Cardboard Mailing Postal Boxes For Royal Mail Post Office Postage Specifications, Large Letter Category

Postpack - UK Packaging Supplier

Large Letter - Cardboard Mailing / Postal Boxes

Royal Mail Large Letter category cardboard mailing / postal boxes in a range of colours;

Large Letters can measure up to:
Length 353mm max
Width 250mm max
Thickness 25mm max
Weight up to 750g max

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