Our envelopes offer a durable framework for secure mailing. Designed to withstand harsh conditions, these envelopes are perfect for important documents that need extra protection. ✔ Size: 10" x 13", catalog style✔ 14 lb. stock, water and moisture-resistant, tear and puncture-resistant✔ Eco-friendlier, 100% recyclable, made from 10% post-industrial content✔ Zip Stick® for easy self-sealExperience the durability and reliability of Tyvek® material. Customize your envelopes with our advanced tools and enjoy fast turnaround. Perfect for legal documents, contracts, and sensitive materials. Order now and ensure your mail arrives intact and professional.