This custom clear retainer Upper and Lower is designed to comfortably and effectively correct mild to moderate misalignment of the teeth. Made of a soft and flexible material, this retainer/aligner is designed to move the teeth into the desired position while providing maximum comfort. It is also equipped with the latest in dental technology to ensure a precise fit, and is customized to your exact dental specifications. The retainer/aligner is also easy to clean and maintain. With its clear design, it offers a discreet solution for achieving a healthy, beautiful smile.