Polioletane warning signs for blind and partially sighted people. This marking sign is suitable for warning us about the direction change of the guiding band, for marking the stairs, roadedges, platform ends. It can be installed indoor and outdoor too, plus the installation can be done afterwards. It can be installed with industrial sticking, using the adequate glue for the given surface. It is easy to install in a short time. It ensures a long-term and durable solution for the blind and for the people with weak vision, with a tactile, information carrying warning marks.