The specification of 3M engineering grade reflective film is 122457M but the actual size of the goods is 123457M, which complies with the Class II reflective film standard in the national standard file "GBT18833-2012" and the Class II reflective film standard in the old national standard file "GBT18833-2002". This product adopts pressure-sensitive adhesive technology and is suitable for use in general road permanent traffic signs such as village and county road traffic signs and road name signs.
