Collapsible Cone is small in size, easy to operate and easy to carry. The vertebral body is waterproof and reflective Oxford cloth. It is flexible and reflective. It has the advantages of anti-aging, heat resistance, cold resistance, no cracking, no discoloration and long service life. Reflective tape, excellent reflection at night, the base is made of ABS material. The lightfastness is (highest level) 8.5. -40~70°C, no brittle cracking and softening when used, and weather resistance >2 years.