Pricing In Proportion Boxes (PiP Boxes)

Superb Quality Large Letter Boxes & Small Parcel Boxes For Enhanced Protection Of Their Contents

PiP BOXES – These Pricing in Proportion Boxes (Large Letter Boxes or Small Parcel Boxes) are all designed to provide maximum protection for your products, whilst allowing you to benefit from sending them out as either Large Letters or Small Parcels under Royal Mail’s Pricing in Proportion Guidelines — Saving You Money.

Both our Large Letter Postal Boxes & our Small Parcel Postal Boxes fully comply with Royal Mail Pricing In Proportion size rules for either Large Letter Mailing or in the case of our Small Parcel Postal Boxes Small Parcel PiP size restrictions.

Below you will see a list of our Large Letter Boxes including: Mini PiP Boxes, DL PiP Boxes, Die Cut PiP Boxes, A5 PiP Boxes, C5 PiP Boxes, A4 PiP Boxes, C4 PiP Boxes, Maxi PiP Boxes, Multimedia PiP Boxes, Small Parcel PiP Boxes, Standard Letter (or Small Letter), Large Letter PiP Envelopes & even Large Letter qualifying Postal Tubes to A3 size.

Large Letter Postal Boxes (Royal Mail PiP Boxes)

Royal Mail Small Parcel Boxes (Parcel PiP Boxes)

Pricing in Proportion Envelopes