Aiung furongrong-003 Black Snow Car SUV Trucks Security Anti-Skid Chain for Emergency Lightweight (17 lbs.) easy to transport & install rain or shine. No heavy equipment needed. Extremely Flexible - conforms to uneven road surfaces, concrete or asphalt (black-top) Highly Visible - Permanent In-Molded Reflective Tape reflects light so you can see them day or night Easily Stored, Removable or Relocatable - Just pick them and move them without any special equipment Resistant to Ultraviolet light, moisture, oil and extreme temperatures.