The Bumper Envelope Pack contains 100 strong envelope papers that you can use to construct your own secure envelopes for protecting tiny items during transit.
There are instructions on the packet to show you how to make the envelopes.
The sheet sizes for the unmade mini envelopes are 65mm x 65mm, and the sheet sizes for the unmade large envelopes are 95mm x 95mm. These have no lines on them.
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