Designed specifically for easy application to the tops of cylinders, Labelmaster shoulder labels are your clear choice. These Flammable gas Un1075 labels meet the dot requirements in 49 CFR and the compressed gas association's C-7 pamphlet. Using automotive-grade ink pigments, they are preprinted with Un1075 petroleum gases, liquid on exterior-grade, 3.4-Mil, flexible vinyl that withstands rough handling, extreme temperatures, UV exposure, moisture, scraping and abrasion. Each Label features specially formulated, pressure-sensitive adhesive to ensure a lasting bond. Measuring 5 1/4 x 2 in.