Name: Warning tape
Usage: Widely used in traffic sign, construction working site, safety warning ,painting areas, crime scenes etc.
Blue Barricade Tape:
it means a crime has occurred within the boundaries of the tape. The blue tape doesn’t indicate what type of crime it is but indicates that the area within it is subject to forensic examination or photographs.
Blue Police Tape:
In China, blue police tapes are usually used exclusively by government departments.