The "Security Tape" is a special adhesive tape that facilitates the closing and sealing of packing and energy meters sealing, It will be leave the words"VOID" or "OPENED"on the packing when it was removed (taken off) from the packing. The "VOID"or "OPENED" message indicating that an attempt has been made to open the Energy Meter or object where it is used. Colors, width and length could be made as per buyer's option. If you have any demand please do not hesitate to let us know.