Guardian Envelopes - C3 - Pack of 125

Guardian heavyweight pocket envelopes are designed for secure mailing of important, heavy, or valu...

Best current price£39.99from eBay

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eBayDamaged Box, New Guardian C3 Envelope 457x324mm Pocket Manilla X125 C27013 (KO)
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£39.99
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UK Office Direct Envelopes Pocket 125 gsm Manilla C3 [Pack 125] -
£7.14 delivery
£47.70
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Office StationeryNew Guardian Pocket Envelope C3 Peel and Seal Plain 130gsm Manilla
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£52.48
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B&QB&Q - New Guardian C27013 Envelopes Heavyweight Pocket Peel And Seal Manilla C3 Pack Of 125
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£53.18
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Product Information

Full details

The Guardian C3 Heavyweight Pocket Envelopes are designed for administrative professionals, legal offices, and individuals who need to send large, heavy, or sensitive documents securely. These envelopes offer the advantage of premium 130gsm paper weight and a highly reliable adhesive seal, though their substantial size and weight make them best suited for professional documentation rather than casual correspondence.

All features

Model Part NumberC27013
BrandGuardian

Extended Product Information

FAQs

What are the dimensions of these envelopes?

These envelopes are C3 size, measuring 457x324mm.

Is the seal permanent?

Yes, the Power-Tac adhesive is designed to create a strong, permanent bond for secure mailing.

Can these be used for heavy documents?

Yes, the 130gsm manilla paper is specifically chosen for its heavyweight durability.

How many envelopes are in the pack?

This pack contains 125 high-quality envelopes.

Do I need to lick the flap to seal it?

No, these envelopes feature a convenient peel and seal mechanism.

How should I store these envelopes?

Store them in a cool, dry environment away from direct sunlight to preserve the effectiveness of the adhesive.

Troubleshooting

Adhesive strip does not feel sticky

Ensure the protective strip has been completely removed and press the flap firmly against the body of the envelope for at least 5 seconds.

Envelope bulging due to bulk content

Avoid overstuffing; ensure contents are flat and evenly distributed to maintain the structural integrity of the seal.

Pros and Cons

Pros

  • High-grade 130gsm thickness prevents tearing
  • Peel and seal closure eliminates the need for moisture or tape
  • Large C3 size handles bulk documents easily
  • Robust material protects against bending and light impacts
  • Professional appearance suitable for legal or corporate use

Cons

  • Large size may be bulky for standard home letterboxes
  • Premium weight increases postage costs for heavy mailings
  • Limited to C3 standard sizing

Setup, Compatibility & Care

To ensure optimal performance, keep these envelopes stored in a cool, dry place to protect the integrity of the Power-Tac adhesive strips. When sealing, remove the adhesive strip liner and press firmly across the entire flap to ensure a full contact bond. Ensure that your printed contents are not significantly larger than the 457x324mm dimensions to avoid stress on the seams during handling. If sending via standard postage, always weigh the final package after sealing, as the 130gsm paper adds more weight to the total than standard office envelopes.

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