Large Letter Cardboard Envelopes Range - Over 35 Sizes
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Large Letter Sized Cardboard Envelopes

Up to

47%

off

From as little as £7.00 per box of 100

Our Large Letter Cardboard Envelopes are available in over 35 sizes to suit all needs. These envelopes conform to the sizes set by Royal Mail for sending large letters. We offer a range of large letter size cardboard envelopes in brown, manilla, or white. This range includes Board Backed Envelopes, All Board Envelopes, ColomPac® envelopes, MailJacket™ and MailJacket™ Lite. All of our large letter cardboard envelopes feature a handy peel and seal adhesive closure, which means they are quick to pack and secure in the post.

Order Ref Dimensions
Opening x Height
Postal Size
CP 010.01 - ColomPac Rigid Corrugated Envelope

CP 010.01
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150mm x 250mm x 50mm Large Letter
All Board Envelope - 152mm x 305mm

AB9
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152mm x 305mm Large Letter
All Board Envelope - 164mm x 239mm

AB5PIP
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164mm x 239mm Large Letter
Manilla Board Backed Envelope - 178 x 241mm - Printed

BBE241M
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178mm x 241mm Large Letter
White Board Backed Envelope - 178 x 241mm

BBE241W
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178mm x 241mm Large Letter
White Board Backed Envelope - 178 x 241mm - Printed

BBE241W-P
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178mm x 241mm Large Letter
All Board Envelope - 178mm x 241mm

AB5
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178mm x 241mm Large Letter
CP 010.12 - ColomPac Lightweight Rigid Envelope

CP 010.12
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185mm x 270mm x 50mm Large Letter
CP 010.02 - ColomPac Rigid Corrugated Envelope

CP 010.02
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185mm x 270mm x 50mm Large Letter
All Board Envelope - 195mm x 195mm

AB3
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195mm x 195mm Large Letter
CP 010.03 - ColomPac Rigid Corrugated Envelope

CP 010.03
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215mm x 300mm x 50mm Large Letter
Manilla Board Backed Envelope - 216 x 267mm - Printed

BBE267M
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216mm x 267mm Large Letter
White Board Backed Envelope - 216 x 267mm

BBE267W
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216mm x 267mm Large Letter
All Board Envelope - 220mm x 220mm

AB4
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220mm x 220mm Large Letter
All Board Envelope - 222mm x 272mm

AB7
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222mm x 273mm Large Letter
Manilla Board Backed Envelope - C4 - Printed

BBEC4M
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229mm x 324mm Large Letter
C4
All Board Envelope - 229mm x 324mm (C4)

AB10
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229mm x 324mm Large Letter
C4
White Board Backed Envelope - C4 - Printed

BBEC4W-P
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229mm x 324mm Large Letter
C4
White Board Backed Envelope - C4 - With Window - Printed

BBEC4W-WP
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229mm x 324mm Large Letter
C4
White Board Backed Envelope - C4 - Plain

BBEC4W
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229mm x 324mm Large Letter
C4
White Board Backed Envelope - C4 Window - Plain

BBEC4W-W
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229mm x 324mm Large Letter
C4
MailJacket Light - Size 1 - 235mm x 180mm

MJL1
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235mm x 180mm Large Letter
MailJacket - Size 1 - 180 x 235mm

MJ1
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235mm x 180mm x 40mm Large Letter
CP 010.14 - ColomPac Lightweight Rigid Envelope

CP 010.14
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235mm x 340mm x 35mm Large Letter
CP 010.04 - ColomPac Rigid Corrugated Envelope

CP 010.04
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235mm x 340mm x 35mm Large Letter
CP 010.54 - ColomPac Rigid Corrugated Envelope - White

CP 010.54
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235mm x 340mm x 35mm Large Letter
All Board Envelope - 248mm x 330mm

AB11
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248mm x 330mm Large Letter
All Board Envelope - With Window - 248mm x 330mm

AB11W
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248mm x 330mm Large Letter
All Board Envelope - 249mm x 249mm

AB4PiP
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249mm x 249mm Large Letter
All Board Envelope - 249mm x 352mm

AB11PIP
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249mm x 352mm Large Letter
CP 015.02 - ColomPac Landscape Corrugated Envelope

CP 015.02
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270mm x 185mm x 50mm Large Letter
MJL194 - MailJacket Light - Size 194 - 292mm x 194mm (100 Envelopes)

MJL194
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292mm x 194mm Large Letter
MailJacket - Size 194 - 194 x 292mm

MJ194
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292mm x 194mm x 40mm Large Letter
CP 010.13 - ColomPac Lightweight Rigid Envelope

CP 010.13
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300mm x 215mm x 50mm Large Letter
All Board Envelope - 300mm x 300mm

AB8
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300mm x 300mm Large Letter
MailJacket Light - Size 2 - 334mm x 234mm

MJL2
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334mm x 234mm Large Letter
MailJacket - Size 2 - 334 x 234mm

MJ2
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334mm x 234mm x 40mm Large Letter
CP 015.04 - ColomPac Landscape Corrugated Envelope

CP 015.04
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340mm x 235mm x 35mm Large Letter
CP 017.04 Landscape Board Envelope - 351 x 248 x 30mm

CP 017.04
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351mm x 248mm x 30mm Large Letter
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