Royal Mail PiP C5 Large Letter Cardboard Postal Boxes
Royal Mail PiP C5 Large Letter Cardboard Postal Boxes
These C5 large letter postal boxes are manufactured from durable single-wall corrugated cardboard to protect items in transit. Designed with tuck-in flaps, they offer quick and intuitive assembly without requiring tape or tools while qualifying for standard Royal Mail Pricing in Proportion rates.
Delivered flat-packed for compact, space-saving storage, each box is crafted from 50% to 90% recycled materials and remains fully recyclable. Ideal for ecommerce shipping and personal parcel delivery, these boxes securely accommodate a wide variety of small items.
Key Features
| Product Type | Postal Box |
| Material | Single-Wall Corrugated Cardboard |
| Closure Type | Tuck-in Flaps |
| Length | 21.8 cm |
| Width | 10.8 cm |
| Height | 2 cm |
| Format | C5 Large Letter (Royal Mail PiP) |
| Recycled Content | 50%–90% Recycled Material |
Highlights
- Brown cardboard postal boxes, brown inside and out
- Small parcel size
- Tuck-in-flaps
- PiP Small Parcel compliant
- Easifold design
- Fast assembly
- Weight limitation of 750g on the large letter service; each box weighs approximately 30g-35g.
Materials & care
Store flat in a dry environment away from moisture and direct heat to preserve the rigidity of the corrugated board.
How to use
Fold along the pre-creased lines from the flat-packed sheet and secure the tuck-in flaps into place to form the box. Place your items inside with protective void fill if needed, then close the lid securely.
Frequently asked questions
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