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Plain Envelopes

Plain envelopes can be bought from us in a variety of colours such as white and manilla, as well as multiple sizes like C4, C5 and DL.

Plain Envelopes
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New Guardian Envelopes Gusset 130gsm C4 Manilla (100 Pack) E27266

New Guardian Envelopes Gusset 130gsm C4 Manilla 100 Pack E27266 101376 F
100
Pack
  • Pack of 100 C4 Envelopes for A4 Documents
  • 25mm Expanding Gusset - Accommodates Bulky Items
  • Durable 130gsm Paper for Reliable Protection
  • Easy Peel & Seal Closure with Strong Power-Tac Adhesion
£64.21
£53.51 ex. VAT
£53.51
£64.21 inc. VAT
£64.21
£53.51 ex. VAT
£53.51
£64.21 inc. VAT

Order now for dispatch today

Order now for dispatch today

New Guardian Armour Envelopes Gusset 130gsm C4 Manilla (100 Pack) A28113

New Guardian Armour Envelopes Gusset 130gsm C4 Manilla 100 Pack A28113 114759 F
100
Pack
  • Durable Material: 130gsm paper with woven polyester reinforcement.
  • Secure Closure: Peel and seal with Power-Tac adhesion for a reliable bond.
  • A4 Compatible: C4 size, suitable for A4 documents.
  • Expanding Gusset: 50mm gusset accommodates thicker contents.
£138.18
£115.15 ex. VAT
£115.15
£138.18 inc. VAT
£138.18
£115.15 ex. VAT
£115.15
£138.18 inc. VAT

Order now for dispatch today

Order now for dispatch today

New Guardian Envelope 25mm Gusset P/Seal 130gsm 381x254mm Manilla (100 Pack) M27466

New Guardian Envelope 25mm Gusset P Seal 130gsm 381x254mm Manilla 100 Pack M27466 106599 F
100
Pack
  • Pack Size: 100 manilla envelopes
  • Expanding Gusset: 25mm for thicker contents
  • Durable Paper: Crafted from 130gsm paper
  • Secure Closure: Features a simple peel and seal with Power-Tac adhesion
£102.32
£85.27 ex. VAT
£85.27
£102.32 inc. VAT
£102.32
£85.27 ex. VAT
£85.27
£102.32 inc. VAT

Order now for dispatch today

Order now for dispatch today

New Guardian 50mm Gusset Armour Envelope 130gsm 381x279mm Manilla (100 Pack) H28313

New Guardian 50mm Gusset Armour Envelope 130gsm 381x279mm Manilla 100 Pack H28313 103116 F
100
Pack
  • Durable & Secure: 100 heavyweight manilla envelopes for safe mailing.
  • Expanding Gusset: 50mm gusset accommodates bulky items.
  • Strong Closure: Peel and seal with reliable Power-Tac adhesion.
  • Reinforced Material: 130gsm paper with woven polyester for exceptional strength.
£221.42
£184.52 ex. VAT
£184.52
£221.42 inc. VAT
£221.42
£184.52 ex. VAT
£184.52
£221.42 inc. VAT

Order now for dispatch today

Order now for dispatch today

Plain Envelopes

Find plain envelopes for your mailing and office requirements. Our extensive range includes a variety of sizes, including DL, C4, C5 and B4. Peel and seal and self seal options are also available.

We stock bulk packs to suit businesses and home offices, as well as a wide range of quantities. Choose from different paper weights and colours like white and manilla.

We have the right envelope for your letters, documents and invoices. Envelopes with recycled paper are also available here.

Find more types of envelopes in our full range.

Frequently Asked Questions

Q. Will C5 envelopes fit A4 paper?

Q. What is a windowless envelope?