







Large Letter PiP Postal Boxes
These narrow, single-wall white large letter boxes are the perfect size to comply with the Royal Mail’s large letter size specifications. In order to stay within the guidelines set out by Royal Mail, these large letter posting boxes all have a height, or thickness, of no larger than 25mm.
Be sure not to overfill this large letter box packaging, as they may not stay within these strict specifications when overfilled. Cardboard large letter postal boxes also have a maximum weight capacity of 750g, with the length and width of the item not being able to exceed 353mm and 250mm respectively.
- White and brown large letter boxes are the perfect size for Royal Mail’s large letter specification
- Fits through a letter box without becoming damaged or creasing for convenience
- Made from a highly durable and sturdy cardboard material which is also significantly more eco-friendly than bubble mailers
- These letter postal boxes are 100% recyclable and biodegradable
It is essential that you remember not to overstuff large letter postage boxes as the cardboard will bend around the object - preventing the package from being classed as a large letter by the Royal Mail; meaning you’re likely to incur higher postal prices.
In order to prevent incurring higher prices in the postal system, make sure that the box lid lays flat on the item within.
£2.60 - £6.99
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PiP Large Letter Boxes From Tidmas Townsend
When it comes to deliveries there is a significant saving from qualifying as a large letter rather than a small parcel. In order to ensure the dimensions of each postage item you send qualify, our large letter PiP boxes are built to meet the Royal Mail large letter size accurately. We design all of our single-wall cardboard boxes to prioritise easy assembly and stellar performance. Each box will have a professional white finish, ideal for any business.
Tidmas Townsend offers a huge range of cardboard boxes and packaging, earning a reputation for quality products, responsive service, and an upfront pricing structure that rewards bulk buyers, with prices from as low as 9p per box.
6 | Price Per Unit Pack | 14 | ||||||||||||||||||||||
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Code | Ref | Internal Dimensions mm (LxWxH) | Board Grade | Pack Quantity | 1-4 Packs | 5-9 Packs | 10-14 Packs | 15-39 Packs | 40+ Packs | Qty | ||||||||||||||
90861_25 | C7 Lock in Tab | 101 x 101 x 20 | Single Wall Brown | 25 | £0.128 | £0.121 | £0.115 | £0.110 | £0.104 | |||||||||||||||
90511_25 | C6 Lock in Tab | 160 x 110 x 20 | Single Wall Brown | 25 | £0.145 | £0.138 | £0.131 | £0.124 | £0.118 | |||||||||||||||
9050_25 | C5 lock in Tab | 222 x 160 x 20 | Single Wall Brown | 25 | £0.194 | £0.185 | £0.176 | £0.167 | £0.158 | |||||||||||||||
90521_25 | C4 Lock in Tab | 322 x 229 x 20 | Single Wall Brown | 25 | £0.250 | £0.237 | £0.225 | £0.214 | £0.203 | |||||||||||||||
90881_25 | C7 Lock in Tab | 101 x 101 x 20 | Single Wall White | 25 | £0.140 | £0.132 | £0.126 | £0.120 | £0.114 | |||||||||||||||
90541_25 | C6 Lock in Tab | 160 x 110 x 20 | Single Wall White | 25 | £0.173 | £0.164 | £0.156 | £0.148 | £0.141 | |||||||||||||||
90501_25 | C5 lock in Tab | 222 x 160 x 20 | Single Wall White | 25 | £0.173 | £0.164 | £0.156 | £0.148 | £0.141 | |||||||||||||||
90561_25 | C4 Lock in Tab | 322 x 229 x 20 | Single Wall White | 25 | £0.280 | £0.266 | £0.253 | £0.240 | £0.228 |
8 variations
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Internal Dimensions mm (LxWxH)
Board Grade
Pack Quantity
1-4 Packs
5-9 Packs
10-14 Packs
15-39 Packs
40+ Packs
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