Relieves Snoring: The anti-snoring mouthpiece is scientifically designed to improve breathing airflow, allowing air to flow freely, reducing noise associated with snoring, effectively preventing snoring and achieving the desired effect. High-quality materials: The anti-snoring device is made of high-quality soft silicone, which will not be uncomfortable to wear all night, and can fit tightly to the teeth, effectively reducing snoring. Improve sleep quality: This anti-snoring mouthguard is designed to effectively reduce snoring and ensure that you enjoy a peaceful, undisturbed sleep. Suitable for both men and women, it helps to stop snoring, breathe easily and sleep better at night. Adjustable range: The upgraded anti-snoring device can adjust the jaw positioning according to your snoring intensity. The maximum adjustment range can reach 10mm, and it can be adjusted 1mm at a time. Easy to use: Simply place the anti-snoring device in boiling water for 15 seconds, then in cold water for 2-3 seconds, then place the device in your mouth to create a comfortable mouthpiece that fits your bite, you can fine-tune it for maximum comfort. If the size is too large, you can cut it to fit your mouth shape.