Help shippers and transporters easily identify any liquid or solid material, including its mixtures and solutions that are classified as marine pollutants with Labelmaster’s Environmentally Hazardous Substance Markings. These durable markings meet the test requirements of the IMDG seawater immersion test, and are required when shipping marine pollutants by air, ground or sea. Available in highly durable, rigid PVC-free vinyl that is pressure-sensitive for easy application, markings measure 273 x 273mm and are sold in packs of 25.