Miscellaneous and custom sized envelopes
Here you can find our huge range of miscellaneous envelopes and custom sized envelops. These come in a huge variety of envelope sizes that are less common than others. Within this range you can find sizes such as 1/3 C4 and C5 wallet envelopes.
This range also includes a variety of colour envelopes as well as the standard white and manila.
All of our envelopes are from top brands including 5 Star, New Guardian and Blake, giving you the highest quality envelopes each and every time.
We have a huge variety of custom envelopes available- if you need help finding the right size for you, please feel free to give our friendly customer service team a call.
Our top sellers in Miscellaneous and custom sized envelopes

Q-Connect Machine Envelope 162x238mm Gummed 90gsm White (Pack of 500) KF02897
82% OffRRP £128.78107.32 SAVE £87.84
Now only £23.38£19.48
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Q-Connect Envelope 458x324mm Pocket Self Seal 135gsm Manilla (Pack of 125) 90110 ...
75% OffRRP £157.96131.63 SAVE £98.14
Now only £40.19£33.49
View Deal![5 Star Office Envelopes FSC Recycled Pocket Self Seal 115gsm 406x305mm Manilla [Pack 250]](
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5 Star Office Envelopes FSC Recycled Pocket Self Seal 115gsm 406x305mm Manilla [ ...
84% OffRRP £200.35166.96 SAVE £140.52
Now only £31.73£26.44
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Q-Connect Envelope 89x152mm Wallet Gummed 70gsm Manilla (Pack of 1000) 721166
81% OffRRP £110.6292.18 SAVE £74.73
Now only £20.94£17.45
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Q-Connect Machine Envelope 162x238mm Gummed 90gsm White (Pack of 500) KF02897
Suitable for use in mailing machines, these Q-Connect wallet envelopes are made from
SAVE 82% off RRP
Only £23.38 inc VAT£19.48 exc VAT
Product Code: KF02897
Stock: 55
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Q-Connect Envelope 458x324mm Pocket Self Seal 135gsm Manilla (Pack of 125) 9011004
Ideal for mailing bulkier documents, these heavyweight Q-Connect envelopes are made f
SAVE 75% off RRP
Only £40.19 inc VAT£33.49 exc VAT
Product Code: KF71465
Stock: 36
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5 Star Office Envelopes FSC Recycled Pocket Self Seal 115gsm 406x305mm Manilla [Pack 250]
With our comprehensive range of office stationery, 5 Star has always been your watch ...
SAVE 84% off RRP
Only £31.73 inc VAT£26.44 exc VAT
Product Code: D90023
Stock: 68
Next Day Delivery -
Q-Connect Envelope 89x152mm Wallet Gummed 70gsm Manilla (Pack of 1000) 721166
Ideal for everyday use, these Q-Connect envelopes are made from lightweight 70gsm pap
SAVE 81% off RRP
Only £20.94 inc VAT£17.45 exc VAT
Product Code: KF3411
Stock: 41
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5 Star Office Envelopes FSC Recycled Pocket Self Seal 90gsm 254x178mm Manilla [Pack 500]
With our comprehensive range of office stationery, 5 Star has always been your watch ...
SAVE 71% off RRP
Only £35.03 inc VAT£29.19 exc VAT
Product Code: 907212
Stock: 49
Next Day Delivery -
New Guardian C3 Envelope 457x324mm Pocket Manilla (Pack of 125) C27013
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 59% off RRP
Only £35.00 inc VAT£29.17 exc VAT
Product Code: JDC27013
Stock: 18
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New Guardian Envelopes FSC Pocket Peel & Seal Heavyweight 130gsm 305x127mm Manilla C27603 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 46% off RRP
Only £31.07 inc VAT£25.89 exc VAT
Product Code: C27603
Stock: 21
Next Day Delivery -
New Guardian Envelopes Pocket Gummed Lightweight 80gsm 98x67mm Manilla M24011 [Pack 2000]
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 45% off RRP
Only £59.72 inc VAT£49.77 exc VAT
Product Code: M24011
Stock: 9
Next Day Delivery -
5 Star Office Envelopes FSC Recycled Pocket Self Seal 90gsm 381x254mm Manilla [Pack 250]
With our comprehensive range of office stationery, 5 Star has always been your watch ...
SAVE 83% off RRP
Only £21.36 inc VAT£17.80 exc VAT
Product Code: 907220
Stock: 65
Next Day Delivery -
New Guardian Envelopes 305x127mm Pocket Manilla (Pack of 250) C27603
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 56% off RRP
Only £26.54 inc VAT£22.12 exc VAT
Product Code: JDC27603
Stock: 36
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Q-Connect B4 Envelope 353x250mm Pocket Self Seal 100gsm White (Pack of 250) KF02896
These Q-Connect envelopes are made of high quality 100gsm paper and feature an easy t
SAVE 80% off RRP
Only £31.46 inc VAT£26.22 exc VAT
Product Code: KF02896
Stock: 96
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New Guardian Envelopes FSC Pocket Peel & Seal Hvyweight 130gsm C3 457x324mm Manilla C27013 [Pack...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 49% off RRP
Only £40.98 inc VAT£34.15 exc VAT
Product Code: C27013
Stock: 18
Next Day Delivery -
5 Star Office Envelopes FSC Recycled Pocket Peel & Seal 115gsm 381x254mm Manilla [Pack 250]
With our comprehensive range of office stationery, 5 Star has always been your watch ...
SAVE 84% off RRP
Only £24.35 inc VAT£20.29 exc VAT
Product Code: D90015
Stock: 19
Next Day Delivery -
Q-Connect Envelope 254x178mm Pocket Self Seal 90gsm Manilla (Pack of 250) KF3445
Ideal for everyday use, these Q-Connect envelopes are made from quality 90gsm paper w
SAVE 84% off RRP
Only £14.00 inc VAT£11.67 exc VAT
Product Code: KF3445
Stock: 216
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Q-Connect Envelope 254x178mm Pocket Self Seal 115gsm Manilla (Pack of 250) 8306
Ideal for everyday use, these Q-Connect envelopes are made from heavyweight 115gsm pa
SAVE 81% off RRP
Only £15.88 inc VAT£13.23 exc VAT
Product Code: KF3446
Stock: 161
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New Guardian Envelopes FSC Pocket Peel & Seal Heavyweight 130gsm 330x279mm Manilla H23213 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 52% off RRP
Only £32.92 inc VAT£27.43 exc VAT
Product Code: H23213
Stock: 17
Next Day Delivery -
New Guardian Envelopes FSC Pocket Self Seal Heavyweight 130gsm 270x216mm Manilla F26903 [Pack 250]...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 33% off RRP
Only £50.44 inc VAT£42.03 exc VAT
Product Code: F26903
Stock: 6
Next Day Delivery -
Q-Connect B4 Envelope 353x250mm Pocket Self Seal 90gsm Manilla (Pack of 250) KF02893
These Q-Connect envelopes are made of quality 90gsm paper and feature an easy to use
SAVE 82% off RRP
Only £22.56 inc VAT£18.80 exc VAT
Product Code: KF02893
Stock: 149
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New Guardian Envelope 330x279mm Peel/Seal Manilla (Pack of 125) H23213
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 61% off RRP
Only £28.12 inc VAT£23.43 exc VAT
Product Code: JDH23213
Stock: 37
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Plus Fabric Envelope 89x152mm Wallet Self Seal 120gsm White (Pack of 500) F21870
Made from strong 120gsm paper, Plus Fabric DL wallet envelopes feature a bright white
SAVE 56% off RRP
Only £30.17 inc VAT£25.14 exc VAT
Product Code: JDF21870
Stock: 7
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New Guardian Envelope 254x178mm Easy Open Manilla (Pack of 250) C26803
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 52% off RRP
Only £33.14 inc VAT£27.62 exc VAT
Product Code: JDC26803
Stock: 14
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Plus Fabric Envelopes PEFC Wallet Self Seal 120gsm 89x152mm Extra White F21870 [Pack 500]
Plus Fabric envelopes are made from high quality bright white paper, ensuring your ma...
SAVE 47% off RRP
Only £34.10 inc VAT£28.42 exc VAT
Product Code: F21870
Stock: 6
Next Day Delivery -
Plus Fabric Envelopes PEFC Wallet Self Seal Window 120gsm 89x152mm White L22070 [Pack 500]
Suitable for all general office correspondence, these Plus Fabric envelopes are made ...
SAVE 47% off RRP
Only £36.78 inc VAT£30.65 exc VAT
Product Code: L22070
Stock: 12
Next Day Delivery -
New Guardian Envelopes FSC Pocket Peel & Seal Heavyweight 130gsm 381x254mm Manilla E23513 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 46% off RRP
Only £38.60 inc VAT£32.17 exc VAT
Product Code: E23513
Stock: 8
Next Day Delivery -
New Guardian Envelopes FSC Pocket Peel & Seal Heavyweight 130gsm 254x178mm Manilla C26803 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 40% off RRP
Only £38.81 inc VAT£32.34 exc VAT
Product Code: C26803
Stock: 8
Next Day Delivery -
New Guardian Envelopes FSC Pocket Peel & Seal Heavyweight 130gsm 406x305mm Manilla D23703 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 39% off RRP
Only £53.35 inc VAT£44.46 exc VAT
Product Code: D23703
Stock: 4
Next Day Delivery -
New Guardian Envelope 444x368mm Peel/Seal Manilla (Pack of 125) B27713
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 53% off RRP
Only £55.92 inc VAT£46.60 exc VAT
Product Code: JDB27713
Stock: 12
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5 Star Office Envelopes FSC Recycled Pocket Self Seal 90gsm 406x305mm Manilla [Pack 250]
With our comprehensive range of office stationery, 5 Star has always been your watch ...
SAVE 81% off RRP
Only £30.84 inc VAT£25.70 exc VAT
Product Code: 907239
Stock: 48
Next Day Delivery -
5 Star Office Envelopes FSC Recycled Wallet Gummed Lightweight 75gsm 89x152mm Manilla [Pack 2000]
With our comprehensive range of office stationery, 5 Star has always been your watch ...
SAVE 48% off RRP
Only £52.39 inc VAT£43.66 exc VAT
Product Code: H90000
Stock: 42
Next Day Delivery -
Everyday Manilla Gummed Pocket 98x67 80gsm Pack of 100
Part of the Purely range of envelopes providing size and sealing options in a vast ar
SAVE 56% off RRP
Only £2.09 inc VAT£1.74 exc VAT
Product Code: EXR14288BL
Stock: 156
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Valuex Business Pocket Envelope Self Seal C5 229x162 Ultra White Pack 500
All the sizes you will ever need are covered in this vast array of envelope products,
SAVE 59% off RRP
Only £13.44 inc VAT£11.20 exc VAT
Product Code: EXR40086BL
Stock: 451
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Basildon Bond White Envelope 95 X 143mm (Pack of 20) 100080067
These elegant Basildon Bond envelopes are ideal for use in the home or workplace. Mad
SAVE 51% off RRP
Only £16.80 inc VAT£14.00 exc VAT
Product Code: JD90421
Stock: 4
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Valuex Pocket Self Seal Envelope Plain 381x254mm 90gsm Manilla Pack 250
Catering for all sizes in wallet, pocket, gummed and self-seal envelopes. A range of
SAVE 59% off RRP
Only £18.19 inc VAT£15.16 exc VAT
Product Code: EXR40177BL
Stock: 45
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Purely Everyday C3 115gsm Gummed Pocket Manilla Pack of 125
Catering for all sizes in wallet, pocket, gummed and self-seal envelopes. A range of
SAVE 59% off RRP
Only £28.85 inc VAT£24.04 exc VAT
Product Code: EXR35463BL
Stock: 3
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Blake White Self Seal Pocket B4 100gsm Pack of 250
A vast array of white envelopes catering for every size. With gummed, self-seal, pock
SAVE 59% off RRP
Only £31.51 inc VAT£26.26 exc VAT
Product Code: EXR48483BL
Stock: 6
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New Guardian Heavyweight Pocket Peel Seal Manilla 305x127mm Pack of 250
Exceptionally strong envelopes combining good looks and strength. Heavyweight 130gsm
SAVE 43% off RRP
Only £27.62 inc VAT£23.02 exc VAT
Product Code: EXR58815BG
Stock: 43
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Plus Fabric Wallet Envelope Press Seal 110gsm 89x152mm White Pack 500
Professionalism, appearance and protection are at the heart of Plus Fabric envelopes,
SAVE 34% off RRP
Only £34.33 inc VAT£28.61 exc VAT
Product Code: EXR61272BG
Stock: 8
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New Guardian Envelopes Heavyweight Pocket Peel Seal Manilla C3 Pack of 125
Exceptionally strong envelopes combining good looks and strength. Heavyweight 130gsm
SAVE 41% off RRP
Only £40.42 inc VAT£33.68 exc VAT
Product Code: EXR58745BG
Stock: 49
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New Guardian Envelope 353x229mm Peel/Seal Manilla (Pack of 250) E27303
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 53% off RRP
Only £54.74 inc VAT£45.62 exc VAT
Product Code: JDE27303
Stock: 8
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New Guardian Lghtweight Pocket Gummed Manilla 98x67mm Pack of 2000
Manilla paper made from 100% recycled material. Value for money range of envelopes in
SAVE 45% off RRP
Only £50.68 inc VAT£42.23 exc VAT
Product Code: EXR58836BG
Stock: 7
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New Guardian Envelopes FSC Pocket Peel & Seal Heavyweight 130gsm 444x368mm Manilla B27713 [Pack ...
New Guardian manilla envelopes are made from strong environmentally friendly two-tone...
SAVE 42% off RRP
Only £65.48 inc VAT£54.57 exc VAT
Product Code: B27713
Stock: 4
Next Day Delivery -
New Guardian Envelope 330x279mm 90gsm Manilla Self Seal Pack of 250 J27219
These New Guardian pocket envelopes provide superior protection and strength with dur
SAVE 35% off RRP
Only £44.62 inc VAT£37.18 exc VAT
Product Code: JDJ27219
Stock: out of stock
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Q-Connect C3 Envelope 457x324mm Pocket Self Seal 115gsm Manilla (Pack of 125) 2505
These Q-Connect manilla envelopes are made from thick and strong 115gsm paper and fea
SAVE 77% off RRP
Only £36.43 inc VAT£30.36 exc VAT
Product Code: KF3408
Stock: out of stock
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New Guardian Envelope 98x67mm Gum 80gsm Manilla (Pack of 2000) M24011
These New Guardian envelopes provide superior protection and strength with durable, l
SAVE 51% off RRP
Only £55.92 inc VAT£46.60 exc VAT
Product Code: JDM24011
Stock: out of stock
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Postmaster Envelope 162x238mm Window 80gsm Gummed Manilla Pack of 500 K29956
Ideal for any size of mailing machine, from desktop to full scale, Postmaster envelop
SAVE 35% off RRP
Only £42.86 inc VAT£35.72 exc VAT
Product Code: JDK29956
Stock: out of stock
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New Guardian Envelope 305x250mm Peel/Seal Manilla (Pack of 250) L27103
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 61% off RRP
Only £43.49 inc VAT£36.24 exc VAT
Product Code: JDL27103
Stock: out of stock
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Purely Everyday Wallet White Gummed 89x152mm 80gsm Pack 50 65780BL
All the sizes you will ever need are covered in this vast array of envelope products,
SAVE 44% off RRP
Only £1.73 inc VAT£1.44 exc VAT
Product Code: EXR65780BL
Stock: out of stock
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Tallon 50 Duke White Peel And Seal Envelopes (Pack of 12) TA04680
Ideal for business and personal mailing, these envelopes from Tallon are made from hi
SAVE 32% off RRP
Only £17.11 inc VAT£14.26 exc VAT
Product Code: TA04680
Stock: out of stock
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New Guardian Envelope 240x165mm 130gsm Manilla Peel and Seal Pack of 250 M26703
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 35% off RRP
Only £27.77 inc VAT£23.14 exc VAT
Product Code: JDM26703
Stock: out of stock
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New Guardian Envelope 229x102mm 130gsm Manilla Self Seal (Pack of 500) F25003
These New Guardian envelopes provide superior protection and strength with durable, h
SAVE 38% off RRP
Only £33.01 inc VAT£27.51 exc VAT
Product Code: JDF25003
Stock: out of stock
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New Guardian 270x216mm Envelope 130gsm Self Seal Pack of 250 F26903
Made from quality, heavyweight 130gsm manilla, these New Guardian envelopes measure 2
SAVE 35% off RRP
Only £39.76 inc VAT£33.13 exc VAT
Product Code: JD26903
Stock: out of stock
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Purely Everyday Pocket P&S White 120gsm C3 450x324mm 8086 [Pack 125] *10 Day Leadtime*
An extensive range of peel and seal envelopes that is a league above standard latex s...
SAVE 30% off RRP
Only £53.47 inc VAT£44.56 exc VAT
Product Code: 135143
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