The Vaico Interior Trim Retainer V201221 is a small plastic clip used to secure interior trim pieces in a vehicle. It is designed to hold the trim in place and prevent it from becoming loose or falling off. This retainer is made of durable materials and is easy to install, making it a convenient solution for keeping interior trim pieces in place. It is compatible with a variety of vehicle makes and models, making it a versatile option for any automotive repair or maintenance project.