INCOM Class 3 DOT Gasoline Placard is made from a durable 3 MIL (0.003") peel & stick synthetic outdoor grade material, with an added 1 MIL (0.001") UV over-lamination to increase the placards longevity in harsh outdoor enviroments such as sun, UV exposure, water, severe weather conditions, and various chemical containenments such as grease and oils. This material is intended for permanent applications on transportation vehicles, bulk liquid tanks and containers, and equipment. Consult local regulations for proper use. Remove backing liner and apply pressure sensitive adhesive back to a clean, smooth, dry surface at temperatures between 50F - 90F. Product measures 10-3/4 Inches by 10-3/4 Inches.