Envelope AirPro Nr.5 240×275 mm brown – paper mailing envelope

AirPro Nr.5 envelope (240×275 mm) in brown is a paper mailing envelope designed for everyday postal and office use. The rectangular format fits standard correspondence and flat documents, offering a simple and practical solution for sending letters, invoices and other lightweight materials. The envelope is made from paper and provides a conventional closure suitable for routine mailing workflows.

Advantages

The AirPro Nr.5 envelope combines a standard size with a neutral brown appearance that conceals contents and provides a professional look. Its paper construction is lightweight for postage cost efficiency while remaining sturdy enough for normal handling and transit. Compatibility with common mailing processes and office equipment makes it easy to store, address and dispatch.

Suitable for

• Sending letters and correspondence
• Mailing invoices, statements and receipts
• Transporting flat documents such as contracts or certificates
• Everyday office and postal use

Key specifications

• Format: rectangular
• External dimensions: 240 × 275 mm
• Material: paper
• Color: brown
• Closure type: conventional paper flap (self-adhesive or gummed depending on batch)
• Intended contents: letters and flat lightweight items

How to use

Place the document or flat item inside the envelope without overfilling to ensure reliable closure and safe transit. Seal the flap according to the envelope's closure type—moisten the gummed flap or press the self-adhesive strip firmly. Address the envelope clearly on the front and include sender information on the back or top-left as required by your postal service. For added protection, use inner wrapping for fragile or sensitive contents.

Usage recommendations

Store envelopes flat in a dry environment to prevent warping and to maintain seal performance. Verify closure type before use and do not exceed recommended fill capacity to avoid damage during handling and mailing.