Product name:Mandibular Trainer Product size about : 3*1.3*1.1CM/1.18*0.51*0.43in Product color: As shown in the figure Product material:silica product features: 1. Jawline Sculpting: Our jawline training device is designed to help you achieve a defined and chiseled jawline. By targeting and exercising the facial muscles, this product can help enhance the appearance of your jawline, giving you a more sculpted and attractive facial profile.(Note, please chew the side with smooth surface and no holes to prevent the product from breaking! ! !) 2. Facial Muscle Exercise: This device is specifically designed to exercise and strengthen the muscles in your face, particularly the jaw muscles. Regular use can help tone and tighten the muscles, improving the overall appearance and contour of your face. 3. Silicone Material: Made from high-quality silicone, our jawline trainer is soft, safe, and comfortable to use. The material is hypoallergenic and odorless, ensuring a pleasant and hygienic training experience. 4. Easy to Use: Our jawline trainer is easy to use and can be incorporated into your daily routine. Simply place it in your mouth and perform repetitive chewing or clenching motions to exercise the jaw muscles. It is compact and portable, allowing you to use it anytime and anywhere. 5. Versatile and Effective: In addition to sculpting your jawline, our training device can also help relieve stress and tension in the jaw area. It can be used by both men and women of all ages, making it a versatile tool for facial muscle exercise and relaxation. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. 3.Note, please chew the side with smooth surface and no holes to prevent the product from breaking! ! ! Shipment includes: 1pc Mandibular Trainer 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact me will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Mandibular Trainer