Tamper Proof Void Evident Red Security Tape 50m. Tamper Evident Tape delaminates irreversibly on removal, leaving a highly visible OPEN FRAUD VOID message on application surface. Our tamper evident tapes provides clear visibility that the package has been opened and the tape cannot be reused or resealed without being noticed. The tape has a quiet unwind and can be used with any 50mm core tape dispenser.