Theres no room for error when transporting toxic substances. Choose Labelmasters Toxic Blank Placards. Ample space is provided for you to include the UN Number, and these meet specifications for color and size domestically. 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. These Hazard Class 6 placards measure 273 x 273mm and are sold in packs of 25 or cases of 900.