Mailing bag MAILmedia C4 self-adhesive 90 g/m², weight 15.9 g

MAILmedia C4 self-adhesive mailing bag is a lightweight paper envelope made from 90 g/m² paper, designed to hold documents and flat items in C4 format without folding. The envelope features an integrated adhesive strip for quick and secure sealing, combining simplicity with economical material use. With an individual item weight of 15.9 g, this mailing bag is engineered for applications where low postage cost and straightforward handling are priorities.

Advantages

The MAILmedia C4 mailing bag offers a balance of strength and low weight thanks to its 90 g/m² paper construction, reducing postage costs while maintaining reasonable tear resistance. The self-adhesive closure ensures fast sealing without additional tape or glue, and the smooth outer surface supports clear addressing and labelling. The uniform size for C4 contents eliminates the need to fold A4 documents, simplifying packing and improving presentation.

Suitable for

• Sending A4 documents, certificates and flat promotional materials
• Office correspondence and administrative mailings
• E-commerce shipments of flat, non-fragile items such as brochures, catalogs or thin booklets
• Mailings where low weight and reduced postage costs are important

Key specifications

• Material: paper, 90 g/m²
• Format compatibility: C4 (suitable for unfolded A4 sheets)
• Closure type: self-adhesive strip for quick sealing
• Item weight: approximately 15.9 g per envelope
• Surface: writable and label-friendly finish

How to use

Place the documents or flat item inside the MAILmedia C4 mailing bag ensuring contents lie flat and do not exceed the envelope dimensions. Remove the protective strip from the adhesive and press the flap firmly to create a secure seal along the entire closure. For additional protection of sensitive or valuable contents, insert a cardboard stiffener or use a separate protective sleeve before sealing. Address and apply postage according to carrier requirements.

Recommendations

Use these mailing bags for non-fragile, flat items; avoid sending liquid or bulky goods. For internationally tracked shipments or high-value items, combine the mailing bag with a protective inner layer and select a postal service with appropriate tracking and insurance options.