It stops snoring by keeping the chin forward and opening the airway. The jaw position can be adjusted according to the intensity of snoring. Custom molded dental impressions provide a comfortable and secure fit. Address the causes of snoring, improve breathing, and get restful sleep.Open the airway for improved breathing and quiet snoring. The patented adjustable design gently moves the jaw and tongue forward. The simple assembly process adapts your teeth to your individual shape.For the cause of snoring, start to relax and get a good nights sleep on the first night of use. Helps your bed partner fall asleep while giving you a restful nights sleep.Safe and Effective FDA Trusted to Reduce Snoring for 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.Preliminary adjustment of the fine-tuning jaw is performed using the included tool, which makes it an effective personal snoring solution. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we"ll make you feel satisfied."