Shipping Envelope MAILmedia B4 for Prestamped Mail Red

MAILmedia B4 shipping envelope in red is a flat, document-sized envelope designed for prestamped or prepaid mailings within D, A, CH regions. Sized to B4 format, it accommodates unfolded documents, brochures and printed materials while providing a visible color that helps identify prepaid items. The envelope is intended for postal use where prepayment or franking has already been applied and where a durable, neat presentation of contents is required.

Advantages

The envelope offers a roomy B4 interior that fits standard documents without folding, reducing the risk of creases and improving presentation. Its red color provides high visibility in mail handling and sorting processes. The material is stable enough to protect contents from bending during routine postal transit and allows clear external marking for addressing and postal endorsements. Designed specifically for prestamped or prepaid mail, it simplifies preparation and identification of outgoing shipments.

Suitable for

• Sending unfolded documents, certificates and forms
• Mailings of brochures, catalogs and single-sheet prints
• Bulk dispatches where prepayment or franking is used
• Postal communications within D, A and CH regions requiring clear prepaid identification

Key specifications

• Format: B4 document envelope suitable for flat items
• Color: red for high visibility
• Design: flat envelope optimized for prestamped/prepaid mail
• Capacity: fits unfolded A4 sheets and multiple printed inserts
• Material characteristics: stable paper or paper-based construction for document protection

How to use

Place documents or printed material flat inside the envelope, ensuring contents lie evenly to avoid bulging. Close and seal according to the envelope's closure type, then apply any required postal marks or labels reserved for prestamped or prepaid items. Use the address area for recipient details and verify that postage or franking indications are visible and comply with postal regulations for D, A, CH regions before dispatch.

Usage recommendations

Store envelopes flat in a dry environment to prevent warping. For fragile inserts, add a thin cardboard insert to prevent bending. Check local postal rules for placement of prepaid marks and addressing to ensure smooth processing.