It stops snoring by keeping the chin forward and opening the airway. The position of the chin can be adjusted according to the intensity of the snoring. Custom molded dental impressions provide a comfortable and secure fit. Solve the cause of snoring, improve breathing and sleep soundly. Open the airway for improved breathing and quiet snoring. The patented adjustable design gently moves the jaw and tongue forward. Simple assembly process allows the shape of the teeth to fit your individual. Target the cause of snoring, start relaxing and get a good night's sleep on the first night of use. Help your bedtime partner fall asleep while you enjoy a restful night's sleep. Safe and Effective FDA Confidence for Less Snoring, Better Breathing and Healthier Sleep. It is hypoallergenic, BPA and latex free. Adjustable and comfortable front opening allows users to fully ventilate while sleeping, with up to 8mm of adjustability. Use the included tool to make fine-tuned jaw-ready adjustments, making it an effective personal snoring solution.