Portable Warning Sign has been designed to give an option for replacing the existing warning sign that being used by road user on the breakdown vehicle. The main objective of this product is to develop an easy deployment warning sign with better visibility and portable. This design of portable warning sign were focused on the issue of portability, visibility and durability. The advantages of this warning sign are easy to handle, less space required for storage, light, stable, visibility enhancement and durable. This product being designed to be incorporated in vehicles.