Theres no room for error when transporting toxic substances. Choose Labelmasters 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 highly durable removable vinyl that is ideal for limited time use, and can be removed with little or no residue. White and black, these Hazard Class 6 placards measure 273 x 273mm and are sold in packs of 25 or cases of 900.