It stops snoring by keeping the chin forward and opening the airway. The jaw positioning can be adjusted according to the intensity of snoring. Custom molded tooth impressions provide a comfortable and safe fit.Resolve the cause of snoring, improve breathing and get a restful sleep. Open the airway to improve breathing and quiet snoring. The patented adjustable design gently moves the jaw and tongue forward.The simple assembly process makes your teeth shape suitable for your individual. Aiming at the cause of snoring, start to relax and have a good sleep on the first night of use. Help your bed partner fall asleep while allowing you to enjoy a quiet sleep.Safe and effective FDA trust can reduce snoring, thereby improving breathing and healthier sleep. It is hypoallergenic and does not contain BPA and latex.Adjustable and comfortable front opening allows users to fully ventilate while sleeping, and the adjustability is up to 8 mm. The preparatory adjustment of the micro-adjustment jaw plate is carried out with the included tools, 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.