Transporting flammable liquids like methanol is dangerous and puts people at risk of fire hazards. To warn them of the specific hazardous gas during transport, use the "1230 Methanol Class 3" placard. This Class 3 placard is available in five materials: adhesive vinyl, aluminum, rigid vinyl, magnetic, and cardstock. Whatever material you choose, this hazmat placard lasts in any environment as it is designed to endure harsh environmental factors. This hazmat placard also follows strict DOT specifications for proper hazard warnings. DOT placard Class 3: Flammable Liquids Available in 5 material options Adhesive vinyl: resistant to moisture, weather, corrosive conditions Aluminum: corrosion-proof, UV-resistant Magnetic: adheres to ferrous metal surfaces Rigid vinyl: resistant to moisture, chemical, weather, and tear Conforms to DOT HM-206 Sizes: 10.75" x 10.75"