These rectangular screw mounted reflectors reflectors are suitable for trailers, caravans or other vehicles. The reflector has holes enabling it to be mounted securely to vehicles, trailers or even gateposts and buildings. Amber / Orange reflectors are used on the sides of vehicles and trailers. On long vehicles, the gap between side reflectors must be no greater than 3 metres. The reflector is E-Approved which means it is road legal and suitable for use across Europe.