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.
