There's no room for error when transporting toxic substances. Choose Labelmaster's Toxic Worded Placards. These DOT placards meet specifications for color and size domestically. Using UV inks that retard peeling, chipping and fading, they are printed on non-adhesive polycoated tagboard, which offers exceptional resistance to buckling and blowouts in all weather conditions. White and black, these Hazard Class 6 placards measure 273 x 273mm and are sold in packs of 25.