Welcome to our store Trailblazer.Wish you have a good shopping. High-quality Material: This Jaw Exerciser is made of high-quality food-grade silicone, it is safe to chew, elastic, and difficult to deform. How to Use:Put jaw lift in your mouth, and simply bite down repetitively to train the 57+ muscles in your face and neck and enhance your jawline which make you look younger and better with a chiseled jawline. It is recommended to exercise for 20 minutes a day to activate facial muscles. Lightweight and Convenient: Jaw exerciser chew have been shown to reduce cravings, leading to more weight loss. Convenient, hands-free exercises, easy to carry, can be used when going out, gym, work, and use anywhere. Size: 2.5 * 2.5 * 2.5cm / 0.98 * 0.98 * 0.98inch, the compact shape is more in line with the structure of the human mouth, making the movement more scientific Variety of Choices: More styles and shapes to meet your diverse needs. Constant upgrading is to make you satisfied