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Description: This is a facial exercise product that can help strengthen and tone facial muscles. Keep it clear and give your youthful appearance a new look. It only takes 10 minutes a day to see the difference. After adequate training, rest and nutrition, your facial muscles will grow like other muscles! use: 1Boiling the product, put the whole product in boiling water. Leave for 15-25 seconds. Then rinse the product with hot water. After getting used to the two teeth, boil the product for 10 to 15 seconds, then rinse with hot water, place the product on the teeth, and gently press the white bite tape to make it the easiest to shape. Strengthen and shape your jaw line Shrinking your double chins makes you more confident. Unique design helps to lose weight and firm face. Train to bring out a bright smile Specifications: Product: the latest upgraded face, neck and jaw exercise ball  Colors: yellow, white and red Weight: yellow 30lbs, white 40lbs, red 50lbs Material: silicone Chew size: 3.2*1.9*1.5cm Package Included: 1* Jaw trainer