Our envelopes are designed to solve the problem of fragile, easily damaged mail. Perfect for important documents, these envelopes are strong, durable, and more eco-friendly. ✔ 14 lb. stock✔ Water and moisture-resistant, tear and puncture-resistant✔ 100% recyclable, made from 10% post-industrial content✔ Size: 9" x 12", catalog styleExperience the smooth, resilient texture of Tyvek®, ensuring your mail arrives in pristine condition. Customize with 2 special colors and enjoy the convenience of Zip Stick® for easy self-seal. Ideal for legal documents, contracts, and more. Order now to protect your important mail with our specialty Tyvek® envelopes. Fast turnaround and advanced customization tools available.