Avoid potential risks when transporting Dangerous Goods with Labelmaster's UN 3190 Spontaneously Combustible Placards. Pre-printed with the four-digit UN Number, these DOT placards are what you need for shipping Dangerous Goods and meeting the requirements of 49 CFR 172.500 for domestic and international shipments of hazardous materials by highway, rail and water. Using UV inks that retard peeling, chipping and fading, they are printed on E-Z Removable Vinyl that is perfect for both long-term and short-term shipping needs and can be removed with little or no residue remaining on the surface. Red and white with black, these Hazard Class 4 placards measure 273 x 273mm and are sold in packs of 25 or cases of 900.