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Security Envelopes, Bags & Pouches

Our security envelopes, pouches and bags are available in both single-use and re-useable variations. Single use security bags are manufactured in polythene, with platinum tamper-evident adhesive seal, printed with sequential numbering and with a tear-off receipt for control - a full guide to our customised security bags is available here. Our re-usable secure mail bags and pouches are manufactured in durable PVC and incorporate a number of tamper-evident features to ensure the secure transportation of high-value or confidential contents. The use of tamper-evident seals to lock the zip ensures the integrity of the contents as well as well acting as a deterrent to unauthorised access.

Security bags have a wide range of uses, including as secure mailing bags (for the sending of sensitive or confidential documents, such as examination papers); cash deposit and transport bags (AKA cash-in-transit bags), evidence bags for police and forensic use, and many other applications. Secure, tamperproof bags and envelopes reduce the risk of transporting many types of valuables; for example, providing an additional layer of security as a courier security bag. They can also be used for controlled storage of personal possessions, for example, for event security or prisoner property.

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C5 / A5 Mail Security Envelopes (26x18cm)

A5 Single-Use Mail Security Envelopes with Tamper Seal

C4 / A4 Mail Security Envelopes (40x26cm)

A4 Single-Use Mail Security Envelopes with Tamper Seal

C3 / A3 Mail Security Envelopes (48x40cm)

A3 Single-Use Mail Security envelopes with tamper seal

Customised Tamper-evident Security Bags

Fully customised single-trip security bags for secure transport of confidential items. 100% recyclable material.

Re-usable & Tamper-evident Secure Cash Bags

Tamper-proof & secure currency transportation ('cash-in-transit')

Re-usable & Secure Key Wallets

Secure key wallets for access & control in keyholding applications

Re-usable Internal Mail Pouches

Colour-coded, internal mail pouches for movements and handling

Flat Security Mail Pouch (Long-edge zip)

Secure mailing pouch for sensitive document transportation. Closure across long edge.

Flat Security Mail Pouch (Short-edge zip)

Low-cost secure mailing for smaller mail items and documents. Zip closure across short edge.

Security Mailing Pouches with Full Gusset

Secure mailing pouches for bulkier documents, with full-gusset

Security Mailing Pouches with Bottom Gusset

Secure mailing pouches for heavy documents, with bottom gusset

Tamper-evident Security Holdalls

A secure transport holdall solution for large, bulkier items

Universeal Button Seals for Security Pouches

Button seals for securing cash bags & mailing pouches

Medical Pharmacy Bags

Padded & tamper-evident pharmacy bags for transport of controlled drugs. Available with/without handles.

Secure Cytotoxic Drug Bags

Secure cytotoxic bags for the controlled handling of toxic or dangerous drugs

Heavy-duty Woven PP Security Sacks

Strong heavy-duty sacks in durable woven PP material, with eyelets for security sealing

Products By Category
UN3373 Category B / P650 Secondary Packaging
Healthcare Clinical Waste Bags
Security Envelopes, Bags & Pouches
Packaging Tape and Labels
Secure Logistics
Tote Boxes & Plug Seals
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Summer Shutdown

Thank you for visiting Universeal UK's website. Please note that Universeal UK is having an annual shutdown between 11th – 18th June, during which time we will have limited numbers of staff in our UK sales office. Production of orders will continue as normal during this time, but we advise you to please check stock levels and order in advance to avoid any disruption. 

Many thanks, Universeal UK Team.