Tamper Evident Tyvek Flat Envelope

$0.694$0.764

• TYVEK SUB 14
• OPEN END (“catalog”, opens on short dimension)

We defy you to open one of our Tamper Evident envelopes without it showing. These envelopes are virtually un-hackable — a secret we’d be pleased to share with Bill Gates, Mark Zuckerberg and the CIA.

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