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