Tyvek Gusseted Envelopes C4 324x229x20mm - Pack of 100

Water Resistant Tear Resistant Burst Resistant. Thinking about using a box or padded envelope? Why...

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Product Information

Full details

These Tyvek Gusseted Envelopes are ideal for shipping bulky or heavy items, offering a lightweight yet robust alternative to traditional boxes. Their key benefit is providing excellent protection while potentially reducing postage costs due to their light weight. A caveat to consider is that while water-resistant, they are not fully waterproof. This pack contains 100 envelopes, each measuring 324x229x20mm, designed for maximum expansion.

All features

Model Part Number510573
BrandTyvek

Extended Product Information

FAQs

What does 'gusseted' mean for these envelopes?

A gusseted envelope has expandable sides or a bottom, allowing it to hold thicker or bulkier items than a standard flat envelope. These Tyvek envelopes have a 20mm gusset.

Are these envelopes suitable for international shipping?

Yes, their durability and lightweight nature make them suitable for both domestic and international shipping, provided they comply with the destination country's import regulations.

How do I measure the size of the envelope?

The dimensions 324x229x20mm refer to the width x height x depth (gusset) when expanded. The internal usable space will be slightly less.

Can I write on the outside of the envelope?

Yes, most permanent markers and pens will write on the Tyvek surface. For best results, test on a small, inconspicuous area first.

What is Tyvek material?

Tyvek is a brand of flashspun high-density polyethylene fibers. It is known for its strength, tear resistance, water resistance, and light weight.

How many envelopes are in a pack?

This pack contains 100 Tyvek Gusseted Envelopes.

Troubleshooting

Envelopes do not seal properly

Ensure the adhesive strip and the flap surface are clean and dry before pressing firmly. For best adhesion, ensure the envelope is not overstuffed beyond its 20mm gusset capacity.

Contents are damaged by moisture

While water-resistant, these envelopes are not waterproof. For highly sensitive items, consider adding an internal waterproof layer or using a waterproof bag for the contents. Avoid exposure to heavy rain.

Envelope tears during packing

Expand the gusset carefully. Avoid forcing items that are significantly larger than the expanded capacity. Ensure sharp objects are well-padded internally before insertion.

Pros and Cons

Pros

  • Excellent protection against moisture and tears
  • Lightweight design can save on shipping costs
  • Accommodates bulky items with its gusseted design
  • Durable and resistant to bursting
  • Secure self-adhesive closure

Cons

  • Not fully waterproof, only water-resistant
  • May not be suitable for extremely fragile items without additional padding
  • Material can be noisier than paper envelopes during handling

Setup, Compatibility & Care

Setup: These envelopes are ready to use straight from the pack. Simply open the gusseted sides to expand the internal space to your needs, insert your item(s), peel off the backing from the self-adhesive strip, and press firmly to seal.

Compatibility: Compatible with standard postal services. Suitable for shipping documents, textiles, small non-fragile goods, and bulky items that fit within the expanded dimensions.

Care: Store in a cool, dry place away from direct sunlight. While water-resistant, avoid prolonged exposure to heavy rain or submersion in water. Clean the exterior with a slightly damp cloth if needed; do not use harsh chemicals.

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