Upgrade your mailing experience with our envelopes. Designed to solve the problem of fragile, easily damaged mail, these envelopes are perfect for sending important documents securely. Made from durable Tyvek®, they are water and moisture-resistant, tear and puncture-resistant, and eco-friendlier.✔ 14 lb. stock✔ Size: 9" x 12", catalog style✔ Eco-friendlier, 100% recyclable, made from 10% post-industrial content✔ Zip Stick® for easy self-sealTake advantage of our advanced customization tools to create personalized specialty envelopes that stand out. Order now for fast turnaround and ensure your mail arrives in pristine condition.