Facial Jaw Muscle Exerciser uses food-grade silicone, and the sturdy bite strip is not easy to break, so you don't have to worry about the neck exercise ball breaking and hurting you. Jaw exerciser has no peculiar smell. A neck exercise ball can be carried anywhere, anytime, anywhere, in gyms, workplaces, and other places. 

Fitness Silica Ball Tool is a facial exercise product. When you use a neck exercise ball to exercise, the wrinkles on your face will disappear, and your jaw skin will restore elasticity and tighten. Jaw exerciser makes your face shape sharp and youthful. The neck exercise ball is compact and can be placed in a pocket.

Please disinfect with hot water before use, put a double chin exerciser in your mouth, put your teeth in the bite strip, and then start chewing to achieve the effect of exercise. Double chin exerciser is suitable for male and female exercisers.