Conspicuity Tape 50mm x 45.7 meters per roll , This reflective is a metallised reflective so there is no need to edge seal.
  Since July 2011, Regulation ECE 104 has required that all newly registered heavy goods vehicles over 7.5 tonnes and trailers over 3.5 tonnes have retro-reflective conspicuity markings that clearly outline the rear and sides of the vehicle to increase its visibility.