Federal R7-201A No Parking Tow-Away Symbol Signs - 12x6 Our Parking Signs are constructed of rust-free, heavy gauge, durable aluminum Our Parking Signs are made using 3M Engineer Grade Reflective sheeting and 3M inks Our Parking Signs are rated by 3M for at least 7 years no-fade service Our Parking Signs have holes drilled at top and bottom center for easy mounting Our Parking Signs are made to Federal MUTCD quality standards