The Michelin X-Ice Snow is a winter tire designed for use on passenger cars and SUVs. It features an advanced tread pattern that provides excellent grip in snow and icy conditions. The tire also features a special compound that helps it remain flexible in colder temperatures. The 245/45r18xl size is designed to fit 18-inch wheels and has a load index rating of 97, which means it can handle a maximum load of 1,521 lbs.