Tag: Letterbox friendly postal packaging

Our range of letterbox friendly postal packaging are designed to minimise shipping costs but also to reduce waste by minimising the amount of packaging you use.

Why choose our manufactured postal boxes?

• Quick & easy to assemble.
• Strong durable protection.
• FSC-certified as sourced from sustainable forests.
• Minimise shipping costs.
• Reduce your packaging waste.
• Delivered flat-packed, easy to assemble.
• We provide huge value by purchasing directly from us, the manufacturer.

Royal Mail PiP Packaging Guide

To help clarify the Royal Mail PiP guidelines, we have put together this table which includes all of the maximum dimensions for each PiP category.

PiP Description	PiP Max Size	PiP Max Length	PiP Max Width	PiP Max Depth	PiP Max Weight	Examples of Items
Large Letter	353 x 250 x 25mm	353mm (35.5cm)	250mm (25cm)	25mm (2.5cm)	750g (0.75kg)	Greetings Cards, Folded letters, postcards, CD’s, DVD’s, magazines, certificates.
Small Parcel	450 x 350 x 160mm	450mm (45cm)	350mm (35cm)	160mm (16cm)	2000g (2kg)	Clothing, portable speakers, mobile phones.
Medium Parcel	610 x 460 x 460mm	610mm (61cm)	460mm (46cm)	460mm (46cm)	20kg	Gifts, shoes, heavy or bulky items
Large Parcel	1.5 x 1.5 x 1.5m*	1500mm (1.5m)*	1500mm (1.5m)*	1500mm (1.5m)*	30kg	Fragile items that require a high level of protection.
PiP Tubes	900mm*	900mm (90cm)	1040mm (when 2 x dia + Length)**	1040mm (when 2 x dia + Length)**	(various)**	Rolled posters, artwork, wallpaper, rolled documents.

* Large Parcel Sizes are a maximum of 3000mm (3m) with the length and depth combined.

** PiP Tubes can’t be more than 1040mm when adding the length and two times the diameter. i.e. (120mm dia x 2) + 800mm length = 1040mm Max PiP Tube Size.

Our range of packaging which accommodates each PiP Category

Our Pricing in Proportion (or PIP) Boxes are specifically designed to fit through the 25mm slot that Royal Mail class as a large letter. Three of our five postal box sizes below fit through the 25mm large letter size slot, which will minimise your postal costs, along with your speed to pack, with these lightweight, easy to assemble, postal boxes. Delivered to you flat packed for easy storage and delivery.

PiP Description	Suitable postal products from our range
Large Letter	A5/C5 Postal Boxes DL Postal Boxes A6/C6 Postal Boxes C7 Postal Boxes Peel & Seal Postal Boxes – 220 x 190 x 19mm Peel & Seal Postal Boxes – 240 x 210 x 19mm Peel & Seal Postal Boxes – 347x 242 x 19mm
Small Parcel	Postal Boxes-300 x 250 x 100mm Postal Boxes – 150 x 150 x 60mm A6/C6 Twist Wraps – 195 x 140 x 80mm A5 Twist Wraps – 305 x 203 x 80mm A4 Twist Wraps – 300 x 300 x 105mm A5 Book Wrap Mailers – 251 x 185 x 60mm A4 Book Wrap Mailers – 310 x 250 x 70mm A5/C5 Envelope Mailers 140 x 195mm A5 Envelope Mailers – 194 x 292mm A4 Envelope Mailers – 238 x 358mm C4 Envelope Mailers – 234 x 292mm C3 Envelope Mailers – 278 x 400mm
Medium Parcel	A3 Book Wrap Mailers – 430 x 380 x 90mm A2/C2 Envelope Mailers – 626 x 450 x 40mm Single Wall Cardboard Boxes – Range of Sizes
Large Parcel	Double Wall Cardboard Boxes – Range of Sizes
PiP Tubes	Triangular Postal Tubes – Range of sizes