GoSecure Security Seals Plain Round Blue (Pack of 500) IMSealBL

Amazon

Security seals for mailing cash and confidential documents Designed for use with mailing pouches For tamper evident mailing Simple four step application Plain blue colouring No special tools required for use 15mm in circumference and 9mm high Colour: Blue Pack of 500

Euroffice

Security seals for mailing cash and confidential documents. Designed for use with mailing pouches. For tamper evident mailing. Simple four step application. Plain blue colouring. No special tools required for use. 15mm in circumference and 9mm high.