Royal Mail Large Letter Sized Packaging - PIP (Pricing in Proportion)

All of our large letter PiP packaging items are designed to provide reliable protection for your items during transit. View our range of high quality Royal Mail large letter packaging supplies which includes mailing bags, padded mailers & cardboard boxes of different sizes. All our large letter items meet the Royal Mail's Large Letter PiP size. Max. Size: 353mm x 250mm x 25mm. All in stock ready for same day dispatch.