Item DescriptionProtect your products from mishandling with This Package Conforms to 49 CFR 173.4 For Domestic Highway Or Rail Transport Only Markings. Made of rugged PVC-free vinyl, they have outstanding chemical and abrasion resistance, feature strong adhesion, and help keep you in regulatory compliance. Red and white, the markings measure 5 x 3 in. and are sold in rolls of 500.