Polythene Envelopes

Post Safe Tamper Proof Envelopes. Welded security envelope with special double seal which displays a visual message if the envelope has been tampered with. Size: C5 - 165mmx260mm (6.5x10.24).

Post Safe Tamper Proof Envelopes. Welded security envelope with special double seal which displays a visual message if the envelope has been tampered with. Size: C4 - 220mmx305 (8.7x12).

White opaque polythene envelopes with double peel and seal closure which displays tamper evident message when opened. Sequentially numbered for tracking and tracing. Weatherproof, waterproof and burs, tear and puncture resistant. Recyclable. C3 size."