Tyvek Pocket Envelope - C5 - 229x162mm - White - Pack of 100

These Tyvek pocket envelopes are designed for maximum security and durability, offering excellent ...

Best current price£37.01from UK Office Direct

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UK Office DirectTyvek C5 Envelope 229x162mm Pocket Peel and Seal White (100 -
£7.14 delivery
£37.01
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B&QB&Q - C5 Pocket Peel And Seal White Envelopes (Pack Of 100) -
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£38.33
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Office StationeryTyvek C5 Envelope 229x162mm Pocket Peel and Seal White Pack of 100
£7.19 delivery
£41.38
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Product Information

Full details

The Tyvek Pocket Envelope (C5) is an ideal mailing solution for professionals and individuals who prioritize document security and physical protection during transit. These envelopes are specifically crafted for those who need to send important legal, financial, or confidential documents that require resistance against moisture and tearing. While their high-density material offers superior protection compared to standard paper envelopes, users should note that they are slightly more rigid and may require careful handling when inserting thicker document stacks.

All features

Model Part Number11790
BrandTyvek

Extended Product Information

FAQs

Can I put these envelopes through a printer?

It is generally not recommended to put Tyvek envelopes through standard inkjet or laser printers, as the synthetic material may not accept the ink properly or could potentially melt inside the fuser of a hot laser printer. Use address labels instead.

What is the exact size of these envelopes?

These envelopes are C5 size, which measures 229 x 162mm.

Are these envelopes recyclable?

Tyvek is made from high-density polyethylene and can be recycled in facilities that accept HDPE (Plastic No. 2). Please check your local council guidelines for collection.

Are they opaque enough to hide the contents?

Yes, the white synthetic material is quite opaque, making it difficult to read the contents through the envelope.

Do I need to moisten the adhesive?

No, these envelopes feature a peel and seal closure which is dry adhesive. Simply peel the strip and press to close.

How many sheets of A4 paper fit in one C5 envelope?

You can comfortably fit an A4 sheet folded in half. Generally, 5 to 10 sheets fit easily without over-stretching the envelope.

Troubleshooting

Address ink smudging on the envelope surface.

The surface is non-porous; use permanent self-adhesive shipping labels or a permanent felt-tip marker instead of standard ballpoint pens or inkjet printers.

Envelope closure does not seem to stick.

Ensure the adhesive strip is free from dust or debris and apply firm, even pressure for at least five seconds to activate the hot melt adhesive.

Pros and Cons

Pros

  • Superior tear resistance protects documents from rough handling
  • Water-resistant material keeps contents dry in adverse weather
  • Peel and seal closure saves time and eliminates the need for water or tape
  • Lightweight composition keeps shipping weight low
  • Professional white finish suitable for business correspondence

Cons

  • Material is more rigid than traditional paper envelopes
  • Writing on the synthetic surface may require permanent markers for best results
  • Not suitable for windowed document viewing as the material is opaque

Setup, Compatibility & Care

Using these envelopes requires no special equipment. Simply insert your A5-sized documents (or folded A4 sheets) into the pocket, peel back the protective strip from the adhesive, and press firmly along the closure flap to ensure a complete seal.

Storage & Care:

  • Store these envelopes in a cool, dry place away from direct sunlight to maintain the integrity of the adhesive strip.
  • Since the surface is synthetic, if you are using an inkjet printer, test one envelope first, as standard ink may smudge on the non-porous Tyvek material. It is recommended to use permanent self-adhesive labels for addresses.

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