Top 10 Postal Box Large Letter UK – Box Mailers

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1. Generic

Size: 235x165x22mm Sold by MEG4TEC, Generic 50 x C5 A5 PIP Box Shipping Mail Postal Large Letter Boxes

Generic - 50xc5/a5 pricing in proportion Pip Brown Cardboard Postal Box Quantity: 50 Made from a strong 1mm thick single wall cardboard. External size: 235mm x 165mm x 22mm large Letter qualifying. Quick and easy to assemble, sealable with clear/brown tape made of recycled material, fully recyclable. Internal size: 225mm x 160mm x 20mm, Weight: 35g.
BrandGeneric
ManufacturerGeneric
Part Number50xC5
Model50xC5

2. SR Mailing

50X C4 A4 Size Box Large Letter Strong Cardboard Shipping Mailing Postal Pip

SR Mailing - Made from a hard 1. 2mm thick single wall cardboard. Brown c4/a4 pricing in proportion pip cardboard postal boxes. A4/c4: external size: 345mmm x 240mm x 22mm 13. 6" x 9. 5" x 08" - large Letter qualifying. Delivered flat-packed, securely wrapped. Quick and easy to assemble, sealable with clear/brown tape.
BrandSR Mailing
ManufacturerSR Mailing
Part NumberLGELETBOXC4005
ModelLGELETBOXC4005

3. Barely

10X Prime C4 Large Letter Lightweight Postal Boxes, Single Wall, 335 x 230 x 23mm Brown Cardboard, Flat Shipping Mailer. Includes Free Postal Tape

Barely - Uk manufactured and fast delivery times: All our products are sourced and manufactured in the UK and through Amazon Prime we can offer fast delivery times. Lightweight and single walled: again our boxes have been designed as a lightweight Single Wall box weighting just 77g per unit.

For heavier items a double or triple walled boxes might be more ideal. Easily assembled and fully recyclable: our boxes have been Pre-Creased making them easy to fold and their inter-locking tabs make them simple to tuck in, although we do recommend using the postal tape provide to create a fully sealed and secure parcel.

This means they are Ideal for lightweight goods such as Documents, Photos, small items etc. Large letter approved: our boxes have been designed to meet the UK’s Royal Mail Large Letter maximum size allowance under their ‘Large Letter’ guidelines, allowing you to save on your postal costs.
BrandBarely
Part Number0004

4. Triplast

Triplast C5 222 x 160 x 20 mm White PIP Cardboard Large Letter Postal Box for Royal Mail Pack of 10

Triplast - Model number: PIPC5. White pip die cut and fits within Royal Mail large letter guidelines. 125 wk/t - high quality 0427 Style. Dimensions: 222x160x20mm 8. 75"x6. 3"x08". Easy to construct with fold over ends and ear lock lids.
BrandTriplast
ManufacturerTriplast
Height2.1 cm (0.83 Inches)
Length16.6 cm (6.54 Inches)
Weight0.03 kg (0.08 Pounds)
Width24.2 cm (9.53 Inches)
Part NumberPIPC5
ModelPIPC5

5. Triplast

Triplast C6 160 x 110 x 20 mm White PIP Cardboard Large Letter Postal Box for Royal Mail Pack of 5

Triplast - 125 wk/t - high quality 0427 Style. Dimensions: 160x110x20mm 6. 3"x4. 3"x08". Model number: PIPC6. Easy to construct with fold over ends and ear lock lids. White pip die cut and fits within Royal Mail large letter guidelines.
BrandTriplast
ManufacturerTriplast
Height2.1 cm (0.83 Inches)
Length11.5 cm (4.53 Inches)
Weight0.02 kg (0.06 Pounds)
Width18 cm (7.09 Inches)
Part NumberPIPC6
ModelPIPC6

6. Unknown

50 x White C6 A6 Size Box Large Letter Strong Cardboard Shipping MAILING Postal PIP Size 16cm x 12cm x 2.2cm 6.5" x 4.5" x 0.8" Fast DELIVERY

Unknown - Securely wrapped. C6/a6 pricing in proportion pip white cardboard postal boxes. External size:6. 5" x 4. 5" x 08". Made from a strong 1mm thick single wall cardboard picture 7. Internal size: 16. 3cm x 11. 2cm x 2cm weighT: 22g.
BrandUnknown
ManufacturerMADE IN UK
Part Number50xC6

7. Generic

100 x C4 A4 Pip Box Shipping Mail Postal Large Letter Boxes Size: 335x230x23mm

Generic - Made from a strong 1mm thick single wall cardboard. Internal size: 325mm x 227mm x 20mm. Delivered flat-packed pictured and securely wrapped, VAT invoice included. External size: 335mm x 230mm x 23mm large Letter qualifying. 100 x c4/a4 pricing in proportion pip brown cardboard postal boxes.
BrandGeneric
ManufacturerMADE IN UK
Part NumberV_BX-C4-BRW-100
ModelV_BX-C4-BRW-100

8. ....

10 x WHITE C5 A5 SIZE BOX LARGE LETTER STRONG CARDBOARD SHIPPING MAILING POSTAL PIP

.... - 10 x white c5/a5 pricing in proportion pip brown cardboard postal boxes. External size: 21cm x 14cm x 2cm 8" x 5. 5" x 075" - large letter qualifyING. Made from a strong 1mm thick single wall cardboarD. Quantity: 10 BOXES. Internal size: 19. 5cm x 15. 7cm x 1. 7cm, weight: 34g.
Brand....
ManufacturerMADE IN UK
Part Number10 x c5

9. STAR SUPPLIES

25 x C4 A4 PIP Cardboard Boxes Shipping Postal Mailing Large Letter Strong Box

STAR SUPPLIES - 25 - pip cardboard boxes c4 brown large Letter Mailing/Mail Shipping Box. Our boxes are really easy to assemble with, fold over ends and "earlock" lids. These are fantastic quality single wall die cut size boxes for the 'large letter' system. Brand New Boxes. These die cuts are very high quality and UK manufactured boxes. C4 size - internal = 332x245x22mm & external = 332x245x24mm Made from Strong Corrugated Cardboard.
BrandSTAR SUPPLIES
ManufacturerSTAR SUPPLIES
Part NumberSTR-C4

10. iDEALS UK PACKAGING LTD

Brown C6 A6 Large Letter PIP Size Strong Cardboard Shipping Postal Mailing Boxes 123 x 168 x 23mm, Fast DELIVERY 50

iDEALS UK PACKAGING LTD - Saving you £££££££ money! please note that you should secure the boxes by using tape and shouldn't overload it to avoid surprise postal charges. We have multiple suppliers due to which the box style can be different but minimum measurements will be met and quality would be same.

Internal size* : 112 x 163 x 20mm, external Size* : 123 x 168 x 23mm. Strong 125 kraft / kraft cardboard box. However, its not a guaranteed service and can take a bit longer to process through royal mail network. Pip boxes - these pricing in proportion boxes large letter boxes are designed to provide maximum protection for your products, whilst allowing you to benefit from sending them out as large letters and not small packets under Royal Mail's Pricing in Proportion guidelines.

Colour: brown, weight* : 24 grams Approx. Please make sure the side with C6 engraved on it stays on the inside of the box when making it. All purchases are posted via royal mail 48 or similar service, it should arrive in 1 to 3 working days aFTER WE POST IT.
BrandiDEALS UK PACKAGING LTD
ManufactureriDEALS UK PACKAGING LTD
Part NumberBDCC6