It stops snoring by keeping the jaw forward and opening the airway. Chin positioning can be adjusted according to the intensity of the snoring. Custom molded dental impressions provide a comfortable and secure fit. Address the cause of snoring, improve breathing and get a re Stful sleep. Open airway for improved breathing and quiet snoring. The patented adjustable design gently moves the jaw and tongue forward. The easy assembly process makes your teeth shape to suit you personally. For the cause of snoring, start to relax and get a good night's sleep on the first night of use. Helps your bed partner fall asleep while allowing you to enjoy a restful sleep. Safe and effective FDA Trusted to reduce snoring for better breathing and healthier sleep. It is hypoallergenic, BPA and latex f ree. The adjustable comfort front opening allows the user to adequately ventilate while sleeping with an adjustment range of up to 8mm. The preparatory adjustment of the micro-adjustment jaws is performed using the included tool, which makes it an effective personal snoring solution. Shipment Quantity: 1 piece Package Contents: Only the above package content, other products are not included. Size: 6*1*2.5cm (Reminder: The size is measured manually, please allow 1-2cm measurement err or) color: White (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.) Products from WUZHOU's store