Features 1. Scientifically designed to activate masticatory muscles and the soft palate, it helps reduce the appearance of double chins and realign facial symmetry. 2. Get a more defined face and bring back your youthful look. 3. All it takes is 10 minutes a day to start seeing a difference. 4. With enough training, rest, and nutrients your facial muscles will grow as any other! 5. Quality Guarantee. We have faith in our product and always back it up with trustful customer service, please reach out to us if you have any questions or problems about our products. Specification Material: Silicone Color: See Photo Instructions: 1. Boil to Fit, When you boil the product, you are supposed to put the whole product in the boiling water. Have it there for 15-25 seconds. Then rinse the product from the hot water. 2. Adjust to Teeth After you've boiled the product for 10-15 seconds and rinsed the hot access water, place the product on your teeth and gently press down on the white bite strips to mold them for the most comfortable fit. 3. Please follow our Recommended Workout Scheme to get the best results and reduce the risk of injury. 4. Measure Results Before you start we suggest that you take a picture of yourself with clear light-ning. Then after 4-8 weeks+ of frequently exercising Jawline take a new picture and see if you've made some progress. Package Includes: 2 x Jaw Exerciser