Heininger Automotive 9108 Size 62 Non-Skid Traction Aid Winter Tire Ultra Snow Donut - Set of 2 Easy to install self-centering 100 per cent highly resistant polyolefin anti-skid tire slip over Ultra version provides greater durability and patented woven design gives extra traction on ice and snow Won't damage tires or cause vibrations while driving Reusable and washable Each set includes 2 snow donuts, gloves and storage bag - one set per vehicle required