TAPTES Rear Window Spoiler / Water Retaining Wing for Model 3 2017-2020TAPTES Rear Window Spoiler designed for Tesla Model 3 2017 2018 2019 2020; Easy to install, come with 3M tape on the back, then stick the spoiler on your Model 3 rear window; Not only can enhance the appearance of your Model 3, but also can maintain the stability of the vehicle when in high speeds, reducing wind resistance Water Retaining Lip Wing for Model 3 can well stop the water to get into the rear trunk for Model 3, keep your rear trunk dry;