Safe Material:Small equipment for fun exercise, 121% food-grade silicone.
Enhance Your Jawline:Chisel your jaw and achieve a stronger looking face.
Improve Face And Neck Line:Define Your Jawline, Slim and Tone Your Face, Look Younger and Healthier .
Mini and Portable:You can take them with you anywhere.Use them while, working out at the gym, jogging,walking your dog,driving,riding your bike.