Instantly turn your vehicle into a mini-billboard with magnetic signs that are easily put on and taken off. From simple to eye-catching full color designs, our design staff is ready to help you get attention for your business within your budget. Action Signs provides care instructions for your magnetics to help insure that they provide long term usage for your business. Standard Sizes 12" x 24" 15" x 24" 18" x 24" 24" x 36" Tip: When measuring to see what size fits your vehicle, be sure to exclude molding and seams. Tip: Magnetics stay in place best without going over seams and molding.