Dupli offers business envelopes including sizes like #9 and #10 envelopes, remittance envelopes, window envelopes and tithing envelopes. Use envelopes for mailing, branding, or special purposes. Business envelopes are durable, professional, and customizable, they ensure secure content delivery and enhance your image.


Conformer® Envelopes

Conformer® Envelopes are professional paperboard mailers with expansion capability. A light amount of printing with your logo and simple art makes this mailer standout and will leaves great impressions with customers. A mailer is ideal for situations when a padded or plastic bubble mailers just won’t due. Conformer® mailers are sturdy envelopes designed to send large, heavy, sharply pointed or other important art or legal document in the mail that should not be bent, at a cost cheaper than a box!


Expansion Envelopes

Instead of stocking bulky heavy boxes or costly shipping cartons, expansion envelopes are the new answer to ship many of your products and marketing materials. Helping to support your brand messaging while delivering your shipments securely. This style of envelope has an accordion folded side panel designed to expand anywhere from 1-inch to 5 inches to accommodate the number or thickness of the items you are shipping.


Paperboard Mailers

Ensure deliveries will get to their destination safely and securely with sustainable custom printed rigid courier mailers. Ship art materials, photographs, documents and a variety of items with a high level of confidence that your product will arrive at the destination undamaged.


TYVEK® Envelopes

TYVEK® envelopes resist tearing, puncturing and water damage and are self-sealing. Recommended for important documents and sensitive materials. Virtually indestructible, TYVEK® material is ten times stronger than paper.