Silicone Jaw Trainer Facial Muscle Chewer Facial Thinner Jaw Neck Masseter Exercise Ball Material: Silicone + Polyurethane Color: Blue/Black/Grey/Purple/Red/Pink 1. The Jaw Exerciser can reshape the face, strengthen the lines of the face and neck for a younger appearance. 2. This fitness machine is designed to reduce double chin, chisel out the jaw line, promote facial firming and chin lift by eliminating fat deposits around the chin and neck. 3. This shaper reduces appetite by chewing, which is a healthier and more effective way to lose weight. 4. Safety of jaw exerciser for women and men: Made of food-grade silicone, please use it with confidence. 5. Jaw exercise anytime, anywhere: Hands-free exercise, exercise in the gym, home, office and other places.