Item Type Jaw Exercise Chew BallColor Blue Black RedNet Weight 52gWeight 64gSize About 3 8 3 5 3 cm 1 50 1 38 1 18 inMaterial Food Grade SiliconeFeatres 1 Facial muscle training Facial sports products help strengthen and tone facial muscles Become clearer and give your youthful appearance a new look 2 Portable It only takes 10 minutes a day to see the difference After enough training rest and nutrition your facial muscles will grow like other muscles 3 Promote blood circulation Combining this equipment with regular exercises can increase the blood flow of the entire head and face to complete whole body exercises including more than 50 muscles in the face and neck After enough regular training rest and nutrition your facial muscles will grow into a more ideal shape like other muscles How to use 1 Boil When boiling the product put the whole product in boiling water Leave it for 15 25 seconds Then rinse the product with hot water 2 After boiling the product for 10 15 seconds and rinsing it with hot water adjust the teeth place the product on the teeth and then gently press down on the white bite belt to make them the most comfortable shape 3 Exercise is just fine Please follow our recommended exercise program to get the best results and reduce the risk of injury Package Inlcuded 1 X Jaw Exercise Chew Ball