DUPONT PRODUCTS & SERVICES
Expander envelopes not only save you postage costs, they also save you packing time.
Tyvek® interdepartmental envelopes are engineered to provide superior durability for maximum routings and a long, cost-effective life.
You can have Tyvek® envelopes & packaging products custom-designed to your exact format or print specifications
Use Tyvek® envelopes and sleeves for almost any kind of mail, anytime protection and confidentiality are needed.