Compatible with Smart 2 Series W451, years 20002017, 2018, 2019, 2020, 2021, 2022, 2023 Benefits and features Windproof windshield protection: guards your windscreen from snow, frost and ice. Quick and easy to install, reducing the need for spraying or scraping on freezing days. Morning time saver: prevents frost, snow and ice buildup on the windshield, helping you start the day with a clear view. Durable, portable and washable: compact and lightweight soft material that folds into a small bag. Easy to carry and clean. Secure and windresistant fit: surface fixes to the window, side rubber bands attach to the mirror covers, and a magnet under the bottom anchors to the hood to prevent it from being blown away. How it works The surface is fixed to the window, the side bands secure over the mirror covers, and the bottom magnet helps hold the cover in place on the hood for stability in windy conditions. Use scenarios Winter mornings at home or in the office parking lot: remove frost quickly and drive off with a clear windshield. Outdoor parking in snowy or icy weather: protect the windshield overnight or during the day without scraping. Winter travel or long trips: deploy for fast protection, then remove for quick access when parked at destinations.