Sobre de envío MAILmedia B4 250x353 mm blanco con dorso de papel, autoadhesivo (39513/0)

MAILmedia B4 shipping envelope measures 250 x 353 mm and is designed for sending flat documents and items that fit the B4 format. The envelope features a white exterior with a paper backing that increases tear resistance and provides a smooth printable surface. A self-adhesive peel-and-seal strip simplifies closure, enabling quick and secure packing without additional tape.

Advantages

The envelope combines a durable paper-backed outer layer with an efficient self-adhesive closure to protect contents from damage during handling. Its B4 dimensions accommodate larger sheets, certificates, catalogs and slim items while maintaining a low-profile, lightweight form for reduced postage costs. The plain white surface is suitable for printing addresses or labels and presents a clean, uniform appearance.

Suitable for

• Sending flat documents, certificates and contracts
• E-commerce shipments of thin items such as small books, brochures or media
• Office and administrative mailings requiring quick packing
• Archiving or internal transfer of B4-format materials

Key specifications

• Format: B4 (250 x 353 mm)
• Color: white exterior
• Closure type: self-adhesive peel-and-seal strip
• Backing material: paper-backed outer layer for tear resistance
• Design: flat envelope for slim items and documents

How to use

Insert the flat documents or slim items into the envelope so they lie flat and centered. Peel off the protective strip to expose the adhesive, then press the flap firmly to secure the closure. For additional security during transit, reinforce corners or seams with tape where required. Store envelopes flat and dry to preserve the adhesive strip until use.

Recommendations

Choose this MAILmedia B4 self-adhesive envelope when you need a fast, low-bulk mailing solution for B4-size papers or slim items. Avoid overfilling beyond a flat profile to ensure the adhesive closure seals correctly and to maintain postage cost efficiency.