Get a free Christmas card with your order now! Material: Silicone, Product size: 60x55x20mm Universal size: thanks to its flexible design, the Jaw Exerciser fits all jaw sizes. Whether you are a man or a woman, you can use this trainer to shape and tone your jawline. It is the perfect solution for anyone looking for a versatile and comfortable Jaw trainer! You only need 10 minutes daily chewing jaw trainer to achieve a defined jaw line. High-quality material: jaw trainer made of food-safe silicone, tasteless, non-toxic, safe and environmentally friendly. After cleaning before each use, you can put it in your mouth and use it for recycling. (It is recommended to wash it with warm water before use) Jawline exerciser for men and women: activate your facial muscles (masseter muscles) while using our jaw trainer and increase blood circulation and oxygen supply to the face. The exercises tighten your face and define your chin area. This is a perfect jaw trainer for men and women for jaw training. Create a perfect jaw: jaw trainer targets the jaw muscles directly and burns fat deposits in this area, making the face slimmer. Jaw trainer, can promote the firmness of the face and lift the chin, you can remove the double chin and shape a perfect jaw, unlike other jaw training models, our models protect your teeth, gums and joints from damage. Wide application: the size of the fitness ball for the chin is suitable for men and women. It is lightweight, small, practical and easy to carry. It can be used for going out, working and exercising. It is a perfect workout to improve the chin line. Our jaw trainer is designed for universal use and supports any face type, men or women.