Envelope Sigel DU030 C6 114 x 162 mm Transparent 25 pcs

The Sigel DU030 C6 envelope is a transparent mailing solution sized 114 x 162 mm, designed for sending cards, invitations and letters with visible contents. Each pack contains 25 envelopes made from a durable, lightweight material with a weight specification of 100 g for the pack, offering a clear view of inserted items while maintaining a neat, professional appearance.

Advantages

The transparent construction provides immediate visibility of the contents without opening the envelope, which simplifies sorting and display. The C6 format fits standard greeting cards and folded A4 documents, and the consistent material quality ensures reliable handling in mail processes or during presentation. A pack quantity of 25 balances supply and storage needs for small businesses, offices or personal projects.

Suitable for

• Mailing greeting cards and postcards
• Sending invitations for events and ceremonies
• Presenting promotional materials or product samples
• Protecting and delivering important documents while keeping them visible

Key specifications

• Format: C6 (114 x 162 mm)
• Quantity: 25 envelopes per pack
• Material: transparent film / clear envelope material
• Pack weight: 100 g
• Closure type: flap closure (standard for mailing envelopes)

How to use

Insert the card, invitation or document into the envelope so the content is positioned as desired for visibility through the transparent material. Close the flap according to the envelope's closure type; if adhesive is not pre-applied, use appropriate tape or sealing material to secure the contents for mailing. For postal use, ensure the correct placement of address labels and postage on the outside surface to maintain legibility.

Usage recommendations

Store envelopes flat in a dry, cool place to prevent warping or bending. Avoid exposure to direct sunlight for extended periods to reduce the risk of discoloration or material degradation. When sending by post, verify any postal service requirements for transparent packaging and add additional protective inserts if sending fragile items.