Strancos DOT labels help you meet the requirements of 49 CFR 172 for labeling of hazardous materials. DOT labels for all nine hazard classes of hazardous material are available in rolls of 500 paper or vinyl labels. DOT labels measure 100mm x 100mm (4 x 4). 4 x 4 Labels (except as noted)Vinyl Labels Sold in Rolls of 250 LabelsPaper Labels Sold in Rolls of 500 Labels