Envelopes NC Koperty B4 brown — pack with product code 31713030

NC Koperty B4 brown envelopes are sized to accommodate B4-format documents and papers. The brown color and straightforward construction make them suitable for sending, storing or organising larger documents such as unfolded B4 sheets, brochures, manuals and folded A4 materials. This pack contains multiple envelopes of model 31713030 designed for routine office, archive and business use where a larger mailing envelope is required.

Advantages

These B4 envelopes combine a simple, durable design with a neutral brown appearance that is compatible with a wide range of document handling tasks. They provide reliable protection for papers during internal transport and storage, resist creasing better than thinner alternatives and simplify sorting thanks to their consistent size. The envelope construction is intended for easy filling and closure while remaining cost-effective for bulk use.

Suitable for

• Mailing larger documents and brochures that require B4-format packaging
• Office filing and internal document transfers
• Archival storage of certificates, reports and multi-page documents
• Sending folded A4 sheets or several A4 pages without excessive folding

Key specifications

• Format: B4 size suitable for B4 documents and folded A4 papers
• Colour: brown
• Material: paper envelope designed for document mailing and storage
• Closure type: standard flap closure for secure sealing
• Use case: intended for mailing, filing and archival handling of larger documents

How to use

Place the document flat into the envelope ensuring edges are aligned with the envelope opening to avoid corner damage. For multiple pages or thicker content, check that the envelope closes without excessive bulging; if necessary, remove or refold some pages. Seal the flap according to the envelope's closure method before labeling or addressing. For mailing, add appropriate postage and protective addressing labels to the front surface.

Usage recommendations

Store envelopes in a dry, cool place to prevent moisture-related deformation. For long-term archival storage, use acid-free interleaving if required and avoid overfilling to maintain envelope integrity and protect document edges.