Details Specifications: Material: neoprene Colour: Black Weight: about. 24g Note: Due to manual measurement, please allow 1-3mm to be different. Due to the difference in screen and light, the image may not reflect the actual color of the project. thank you for understanding. Note: If you have any questions, please contact us.After use: the elastic band wraps around the back of the head and restrains the chin. Encourage breathing through the nose, develop the respiratory tract, breathe freely, and don’t fight!. Before use: breathe with your mouth while you sleep. The air reaches the soft tissue and the pharynx produces vibration, which produces a sound called snoring. Effectively prevent pharyngitis caused by oral breathing during sleep, irregular mouth and tongue burns. Prevent oral leaks when sleeping. Correct the bad habit of opening your mouth while you sleep.
