DOT placards identify the class and type of substance it is and its hazard class
Placards identify the hazard level and the 4 digit code indicates what the substance isRed background suggests danger and the need to pay attentionMaterial: PlasticSize: 10-3/4" x 10-3/4"Language: English4-Digit DOT Placards
These placards meet DOT specifications to be chemical specific with the combination of hazard classification, hazard division, and 4-digit identification number.