Order within 24 hrs for mainland UK next working day delivery
Please note orders must be received by 15:00 Mon. to Thurs. & 11.30 Fri. to qualify for next working day delivery. **Excluding Bank Holiday**
Large Letter Postal Boxes

Large Letter Postal Boxes

Browse our full range of large letter postal boxes in the table below or use our handy Box Finder if you need help locating the right parcel.

Box Size
(LxWxH)

Image

Product Info

Boxes Per Pack

Price Per box (ex. VAT)

1-11 Packs

12-19 Packs

20+ Packs

1 Pallet

Number of
Boxes

Buy Now

C5 New Style Large Letter Postal Box
9 x 6.3 x 0.6"
C5 New Style Large Letter Postal Box
9 x 6.3 x 0.6"

C5 New Style Large Letter Postal Box
22.9 x 16 x 1.5cm
C5 New Style Large Letter Postal Box
22.9 x 16 x 1.5cm

C5 New Style Large Letter Postal Box
228.6 x 160 x 15.2mm
C5 New Style Large Letter Postal Box
228.6 x 160 x 15.2mm

50

16p

15p

13p

+ -

C5 Large Letter Postal Box
9 x 6.3 x 0.6"
C5 Large Letter Postal Box
9 x 6.3 x 0.6"

C5 Large Letter Postal Box
22.9 x 15.9 x 1.6cm
C5 Large Letter Postal Box
22.9 x 15.9 x 1.6cm

C5 Large Letter Postal Box
229.1 x 159 x 16mm
C5 Large Letter Postal Box
229.1 x 159 x 16mm

50

19p

18p

16p

+ -

Single Wall Postal Box With Tape
11.8 x 6.7 x 0.8"
Single Wall Postal Box With Tape
11.8 x 6.7 x 0.8"

Single Wall Postal Box With Tape
30 x 17 x 2.1cm
Single Wall Postal Box With Tape
30 x 17 x 2.1cm

Single Wall Postal Box With Tape
299.7 x 170.2 x 20.8mm
Single Wall Postal Box With Tape
299.7 x 170.2 x 20.8mm

50

31p

30p

28p

27p

+ -

12" Vinyl Record Taped Postal Pack
12.5 x 12.5 x 2.7"
12" Vinyl Record Taped Postal Pack
12.5 x 12.5 x 2.7"

12" Vinyl Record Taped Postal Pack
31.8 x 31.8 x 6.9cm
12" Vinyl Record Taped Postal Pack
31.8 x 31.8 x 6.9cm

12" Vinyl Record Taped Postal Pack
317.5 x 317.5 x 68.6mm
12" Vinyl Record Taped Postal Pack
317.5 x 317.5 x 68.6mm

25

97p

95p

93p

+ -

C4 New Style Large Letter Postal Box
12.8 x 8.9 x 0.6"
C4 New Style Large Letter Postal Box
12.8 x 8.9 x 0.6"

C4 New Style Large Letter Postal Box
32.5 x 22.6 x 1.5cm
C4 New Style Large Letter Postal Box
32.5 x 22.6 x 1.5cm

C4 New Style Large Letter Postal Box
325.1 x 226.1 x 15.2mm
C4 New Style Large Letter Postal Box
325.1 x 226.1 x 15.2mm

50

25p

23p

22p

20p

+ -

C4 Large Letter Postal Box
12.8 x 8.9 x 0.6"
C4 Large Letter Postal Box
12.8 x 8.9 x 0.6"

C4 Large Letter Postal Box
32.6 x 22.7 x 1.6cm
C4 Large Letter Postal Box
32.6 x 22.7 x 1.6cm

C4 Large Letter Postal Box
325.9 x 227.1 x 16mm
C4 Large Letter Postal Box
325.9 x 227.1 x 16mm

50

29p

28p

26p

+ -

Single Wall Postal Box
13.2 x 7.2 x 0.9"
Single Wall Postal Box
13.2 x 7.2 x 0.9"

Single Wall Postal Box
33.5 x 18.2 x 2.2cm
Single Wall Postal Box
33.5 x 18.2 x 2.2cm

Single Wall Postal Box
335 x 181.9 x 21.8mm
Single Wall Postal Box
335 x 181.9 x 21.8mm

50

27p

26p

24p

23p

+ -

Why Buy Large Letter Postal Boxes?

We make all our large letter postal boxes with high-quality corrugated cardboard. These durable large letter mailing boxes ensure that your shipped goods arrive safely.

If you're searching for PIP large letter boxes, these boxes are ideal as they meet Royal Mail guidelines. If you would like to learn more about Royal Mail large letter box dimensions you can read our full packaging guide.

Discounts On Large Letter Postal Boxes

Need a high number of large letter postal boxes for your business? Order in bulk from us and take advantage of our amazing discounts.

Next Working Day Delivery

Need a large letter cardboard box by tomorrow? Don't panic as we offer next working day delivery as standard, so you can get your package out on time. Order before 15:00pm Monday to Thursday and 11.30am Friday for next working day delivery.

Our Postal Boxes

As well as large letter cardboard boxes we supply a wide range of postal boxes, whether you need a small, medium, white or brown package.