Displays a visual message once open if tampered with
Tamper evident double seal
Size: 335 x 430mm
Opaque for confidentiality
Pack of 20
Ampac Tamper Evident envelopes feature a tear off redemption slip which provides you with a sequential number, allowing you to track or trace your envelope. The double seal displays a void message if tampered with, helping to keep items secure in transit. This pack contains 20 envelopes measuring 335 x 430mm.