Tyvek White Self-Seal Expansion Catalog Envelopes

Your mailroom needs tough envelopes for important mail. When you have reports, contracts, or even catalogs that you want to keep pristine,your mailroom staff needs the durability of Tyvek®. Give them this durability with our line of Tyvek® White Expansion Catalog Envelopes! Tear-resistant Tyvek® provides protection for valuable mailings Ten times stronger than paper Water resistant and easy to write on Lightweight material reduces postage costs Closes quickly and securely with a self-adhesive strip Meets USPS regulations Size: 10" x 13" Expansion gusset: 1 1/2" Paper Stock: White Tyvek Closure: Self-Seal Pack Size: 25