The face exerciser can help you get a well-defined jawline without expensive, painful cosmetic procedures This jaw line toning device works on more than 50 facial muscles The compact size of our double chin exerciser means you can use it at home, in the gym, while driving, or while walking It’s the hands-free jaw workout Our jaw and neck exerciser is made of 100% food-grade silicone Suitable for frequent use without causing any harm or discomfort One-size-fits-all jaw exerciser for women and men