Our Postal Mailing Bags are a practical and cost-effective solution for the secure transportation of documents, samples, and products. Manufactured from high-quality co-extruded polyethylene with a black inner liner for added confidentiality, they feature a tamper-evident closure to help maintain package integrity during transit. Available with bespoke printing options, including logos and handling instructions, these mailing bags provide a professional branded appearance. They are widely used by hospitals, laboratories, research centres, diagnostic facilities, and commercial organisations throughout the UK.