Herculink®
Unmatched Durability
Engineered with a reinforced fiber design, Herculink® envelopes are burst and tear-resistant, ideal for secure, high-stress mailing needs.
Moisture Protection
A built-in poly barrier helps protect contents from water damage, perfect for sensitive or valuable documents.
Unique Look & Feel
Its textured finish offers a bold, professional look, often favored by designers and used in industries like healthcare.
Supports the Recycling Industry
Choosing PCW products helps “close the loop,” encouraging recycling and sustainable material use.
Ink-Jet Printable
Compatible with select ink-jet systems for custom addressing or branding at the point of fulfillment.
Sustainably Sourced
Made with a PEFC-certified sheet, supporting responsible forestry and environmentally conscious choices.
Choose from a selection of envelopes sizes and constructions, including:
Flat Envelopes (Open Side or Open End)
Green First Class Border (Flat or Expansion)
Expansion Envelopes (Open Side or Open End)
How to Get Started
To begin your project, we’ll need a few key details to ensure we deliver the best solution for your needs.