The Cubic Self-Sealing Envelopes – A4 Size (12 × 10 Inch) offer secure, waterproof, and tear-resistant protection for documents and small items. Each envelope features a strong self-adhesive strip for a tamper-proof seal, ensuring your packages stay safe from moisture, dust, and damage during transit.

• Perfect A4 Size (12 × 10 Inch) for documents, catalogs & brochures without folding
• Self-sealing adhesive closure provides a secure and tamper-proof seal
• Waterproof & weather-resistant material protects contents from rain and dust
• Tear-resistant poly construction for safe shipping and long-lasting use
• Ideal for courier services, e-commerce, and office mailing needs