Triplast 50 x C5 White Self Seal Security Envelopes (Size: 229x164mm) | Fully Opaque, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use

Triplast A5 Self Seal Plain White Envelopes offer a perfect blend of security, convenience, and environmental responsibility. This pack of 50 is crafted from durable, PEFC-certified 90gsm paper sourced from sustainably managed forests. Each C5 envelope (229mm x 164mm) easily accommodates A5 documents or an A4 sheet folded in half.The integrated blue high-security internal tint prevents contents from being seen, ensuring confidentiality for sensitive mail like contracts, invoices, and personal letters. The self-seal closure strip allows for quick, clean, and secure sealing-no glue or tape is needed. This feature is ideal for busy offices, providing a professional finish every time.Made from fully recyclable materials, these envelopes are the eco-conscious choice for businesses and individuals who prioritize sustainability without compromising on quality. They are robust enough to protect documents in transit yet lightweight to help manage postage costs. Store them flat in a cool, dry pl