EnDoc 9x12 Tyvek First Class Mailer Envelopes - 50 Count - Open-ended Catalog Mailing Envelopes with Peel and Seal Closure, White with first class border

Make your busy mail campaigns a success with our high-density Tyvek First Class white self sealing envelopes.

Hard to tear and puncture-proof, our lightweight 9x12 Tyvek envelopes aren’t easy to tamper with! The green diamond border and First Class Mail printed in clear letters will make sure to get your deliveries noticed, while the moisture-proof, sturdy material helps protect the contents inside.

The self-seal strip with strong adhesive makes them a reliable choice for securely delivering even the most sensitive official notices.