Envelope C5 with silicone tape Office Products HK 162×229 mm 90 gsm 500 pcs white

Envelope C5 with silicone tape Office Products HK 162×229 mm 90 gsm 500 pcs white is a pack of standard C5 envelopes designed for everyday office mailing. Each envelope measures 162×229 mm and is made from 90 gsm paper in white. The peel-and-seal silicone adhesive tape provides a secure and dust-free closure without the need for licking or wetting glue, making these envelopes suitable for sending A5 documents, brochures, invoices and other business correspondence.

Advantages

These C5 envelopes combine a mid-weight 90 gsm paper stock with a silicone peel-and-seal closure to offer durability and quick sealing. The white exterior provides a neutral, professional appearance while the consistent dimensions and uniform quality in the 500-piece pack support efficient manual handling and reliable storage. The silicone tape minimizes the risk of accidental opening and speeds up preparation of mailings.

Suitable for

• Mailing A5 documents and folded A4 sheets
• Enclosing brochures, flyers and catalogs
• Sending invoices, statements and business correspondence
• Everyday office and administrative mailing tasks

Key specifications

• Format: C5 (162 × 229 mm)
• Paper weight: 90 gsm
• Color: white
• Closure type: silicone peel-and-seal tape
• Pack quantity: 500 pieces
• Suitable for manual processing and standard postal handling

How to use

Insert the document or item into the envelope with the flap open. Remove the protective strip to expose the silicone adhesive tape, then press the flap firmly along the edge to secure the seal. Ensure the contents are positioned to avoid overfilling; fold documents if necessary to fit standard C5 dimensions. Store unopened packs flat in a dry environment to preserve paper and adhesive quality.

Usage recommendations

For reliable mailing, avoid overstuffing and keep adhesive surface free from dust and moisture. Use these envelopes for standard correspondence and items that do not require padded or rigid protection; add additional packaging for fragile contents.