♬Make of food-grade silicone, nontoxic, ensures comfort and effectiveness during use. It can easily cleaned with water and soap. ♬Suitable for fitness enthusiasts, swimmers, and those lookings to improve their jaw strength and face muscle. ♬Simple put the training l into the mouth, bite with the mouth and engage in chewing movement to perform face muscle exercises. ♬Convenience and easy to carry, the Jaw Exerciser can used home / while traveling. Incorporate it into your daily routine for effective face muscle training. ♬Improve face muscle and boosts your confidence. Start your journey towards a healthier & more tone face today.