Self-adhesive C4 Envelope MAILmedia Natron Brown, weight 19.2 g, pack MPN 38140/7

MAILmedia Natron Brown C4 self-adhesive envelope is designed to hold unfolded A4 documents, catalogs or promotional materials. The envelope has a neutral brown finish that provides a professional, low-profile appearance for business mailings and internal document transfers. A self-seal closure allows secure packing without additional tape or glue, while the single-envelope weight of 19.2 g indicates a lightweight paper construction that keeps postage costs predictable.

Advantages

The self-adhesive flap ensures fast and reliable sealing, removing the need for moistening or separate sealing materials. Its C4 size accommodates A4 sheets without folding, protecting documents from creases during transit. The natron brown color reduces the visibility of handling marks and offers a uniform appearance for bulk mailings. Lightweight construction balances durability with economical postage weight.

Suitable for

• Sending A4 documents, certificates and contracts without folding
• Distributing product catalogs, brochures and promotional materials
• Internal office transfers and archiving of single A4 sheets
• Mailings where a neutral, professional appearance is required

Key specifications

• Format: C4, fits A4 sheets unfolded
• Closure: self-adhesive flap for immediate sealing
• Color: natron brown
• Single-envelope weight: 19.2 g
• Material: paper envelope suitable for standard postal handling

How to use

Place the A4 documents flat inside the envelope so they lie evenly against the gusset. Remove the protective strip from the self-adhesive flap and press firmly along the seam to secure the closure. For added protection during transit, consider aligning contents to avoid movement that could cause creasing. Address the envelope clearly and apply the correct postage according to weight and destination.

Usage recommendations

For important or sensitive documents, use an additional inner protective sleeve or a cardboard stiffener to prevent bending. When sending multiple sheets, check the combined thickness to ensure the envelope closes properly and remains within postal weight limits.