Features:FITS TO THE SHAPE OF YOUR MOUTH: One size fits all. Fits a range of mouth shapes and teeth sizes. Our mouth guard shielding is suitable for upper and lower teeth. For those rare-cases that require a smaller fit, simply but carefully trim the out edge of each side.TEETH PROTECTION: The portable mouth guard shielding can help against regular, persistent teeth grinding which can cause discomfort and wear to your teeth reducing the need to go to the dentist.MULTIPLE FUNCTIONALITY: The mouth guard shielding offers 3 different applications. Teeth Grinding protection, sports injury reduction and also can be used as a teeth-whitening tray. TIGHT & RETENTIVE GRIP:The mouth guard shielding moulds to your teeth for a comfortable fit. The mouth guard's thermo-plastic material can be adapted by submerging in boiling water then placing in the mouth to shape.Easy to Wear & Sleep Improvement: This anti-snoring mouthpiece and anti-snoring mouth guard are easy to wear and can be adjusted for a personalized fit, effectively enhancing your sleep quality.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:Material: TPE.Package List:1/2/3PCS Advanced Anti Snoring Device