Self-adhesive envelopes OFFICE PRODUCTS C5 162×229 mm 90 gsm 500 pcs long-edge opening white

Self-adhesive envelopes OFFICE PRODUCTS C5 162×229 mm 90 gsm 500 pcs long-edge opening white are standard C5 envelopes sized to fit A5 sheets or A4 folded in half. Each envelope is made from 90 gsm white paper and features a long-edge opening with a peel-and-seal adhesive strip for simple and secure closure. The white surface is suitable for printing, labeling and barcoding, making these envelopes practical for routine office correspondence, mass mailings and document storage.

Advantages

These envelopes combine a heavier 90 gsm paper for improved stiffness and protection with a peel-and-seal closure that speeds up packing and provides a reliable seal without additional adhesive. The long-edge opening design facilitates insertion of documents, brochures and folded sheets. A pack of 500 ensures steady supply for high-volume mailing, filing and administrative tasks.

Suitable for

• Sending letters, invoices and notices
• Mailing brochures, catalogs and promotional inserts
• Office administration and record keeping
• Bulk mailings and mass distribution
• Printing or labeling for identification and tracking

Key specifications

• Format: C5 (162 × 229 mm)
• Paper weight: 90 gsm
• Color: white
• Opening: long-edge opening
• Closure: self-adhesive peel-and-seal strip
• Pack quantity: 500 pieces

How to use

Insert the documents so that they align with the long-edge opening, remove the protective strip from the peel-and-seal adhesive and press the flap firmly to close. For printing or labeling, lay envelopes flat and follow your printer manufacturer’s guidance for sheet or envelope feeds; test a small batch to ensure correct alignment. Store the remaining envelopes in a dry, cool place to maintain the adhesive performance and paper quality.

Usage recommendations

Use these envelopes for standard correspondence and mass mailings where a secure, fast closure is needed. Avoid exposing filled envelopes to excessive moisture or heat to preserve the adhesive. When printing addresses or barcodes, run a short test to confirm printer settings and feed direction for the long-edge opening format.