Pure steel and thick TPU and pure steel material, safe for your tire.TIRE CHAINS with special clip, real materials, with strong anti-wear engineering.It fits securely on your tires. tires and provides the perfect amount of traction and grip on slippery surfaces. No worries about riding in snowy days UNIVERSAL USE FOR MOST CARS AND ALL SEASONS?: ???? Wondering if SNOW CHAINS are suitable for your car. Don't worry, our special design anti-skid chains It can be applied to all tire width models It can be applied to all tire width models 7.3-11.7 (185mm-295mm ) for car, SUV and truck.Ideal for ice road, snow road and mud road SAVE MONEY AND TIME:???????????????? ???????????????????????????????????????????????????? ??????????????????????????????????????????? easy to use and affordable, easy to carry and store in all standard vehicle storage compartments Plus, we stand behind the quality of our chains, if you're not satisfied, 100% money back. Chain to ensure a safe ride with less vibration and noise. Please note: This product is not suitable for braking and sharp cornering, iron wheels can not install this product. BUY WITH CONFIDENCE: ???? Your satisfaction is our greatest concern. If you find any problem on the product, we will spare no effort to deal with it and promise to provide replacement or refund. Thank you