Small C5 Letterbox Boxes and Subscription Boxes

£0.15 – £1.00

2700 in stock

9.02×6.29 x 0.63″ Single Wall Subscription Box [22.9 x 16.2 x 2cm]
From 15p per box

Colour: Brown
SKU: 101

2700 in stock

Single Box
5 Boxes
25 Boxes
50 Boxes
100 Boxes
250 Boxes
500 Boxes
800 Boxes
1000 Boxes
1 Pallet (4200)


C5 Letterbox boxes and PIP Large Letter Postal Boxes – Original Style

This is our original style of C5 letterbox box. Take care of all your eCommerce packaging requirements with our range of original style C5 letterbox boxes.

Small C5 postal boxes and subscription boxes are perfect for sending with Royal Mail and conform to PIP large letter guidelines.

Our large letter postal boxes are made with top quality boards and are available in a range of sizes that are suitable for shipping through the postal system. Our PIP large letter boxes are perfect for fitting through the letterbox.

All our Royal Mail postal boxes are supplied flat packed which demands minimum storage space when empty. The robust design of our C5 letterbox boxes ensures that they can be quickly and easily assembled and secured with packaging tape (not included).

Royal Mail large letter format C5 postal boxes.

C5 boxes hold A5 sized items.

You can also buy C4 large letter pip boxes 12.82 x 8.94 x 0.63” / 324 x 229 x 20mm

Product Features

  • C5 PIP postal and subscription boxes are supplied flat packed and require minimum storage space.
  • A simple to assemble box, with all fold points clearly marked to guide you.
  • Sturdy box with a robust design once assembled.
  • Fold in sides give extra rigidity. This box is designed to keep contents safe and secure.
  • Easy close flap that slots into the front of the box, giving immediate security. Complete closure with packaging tape [not included] to ensure full security.
  • Royal Mail large letter format box.
  • Our C5 large letter postal boxes easily fit through a letterbox.
  • All boxes are labelled and measured in the following order: Length x Width x Height [These are internal dimensions. Please use the mm sizing for exact dimensions]

Suitable for:

A variety of PIP, postal, subscription and eCommerce packaging requirements.

Perfect for the following uses: Postage, packaging, subscriptions.

PIP postal boxes are perfect for a variety of uses including, slim items, bangles, jewellery, custom made wax seals, wool and yarn, art supplies, small clothing items and more.


Size: L9.02 x W6.26 x H0.63″ x L229mm x W162 mm x H20 mm [internal measurements]

Made from premium grade packaging paper

Material: E-Flute

Supplied flat packed

Off the shelf stock box, always available in stock

UK manufacturer of corrugated cardboard packaging

Bulk quantity discounts.


UK next working day delivery to mainland UK only, if ordered before 15:00 Mon. to Thurs. and 11:30 Fri.

Bulk delivery – up to 48* hours (working)

Additional information

Dimensions 9.02 × 6.29 × 0.63 in