MVR UV Covert Security Labels are supplied mainly to police forces for use in surveillance activities. It was first developed for use in one of the UK's most prestigious buildings where covert security and protection is required. The face material is clear vinyl, which has a good tensile strength and is backed with a very high tack adhesive.
These Security Labels have interlocking security cuts and is printed with a UV (invisible) ink. Consequently any tampering can easily be detected by using a UV light source.