sually it is dim in the rain weather, especially cause the danger by the fact that the sight is not good and weak at rainy night, This product - Safety Flashing umbrella of taking place amount of the security has offered the function giving out light voluntarily, very effective the other side of improvement sees your distance. (about 150 metres under the situation without hitch but visibility of regular umbrella is lower 10M. Reflection material is only about 30M ) , And then the security of improving and ensuring the user by a wide margin, can also be regarded as the urgent warning mark under the special situation. For example: When car breakdown on the road, it can be a warning sign.