Description: Smile corrector stretches the muscles on the lips end and this could help you to have a brighter smile and a good for impression. Features: brand new and high quality Raise above directly mouth corner to practice comfortable smiling faces. Mouth Muscles Brace is harmless to the human body non-toxic silicone. Made of high quality food grade silicone, it is non-toxic and elastic. It is helpful to slim face and mouth by increasing amount of exercise. A simple solution to the timeless problem of how to give sagging for facial skin and muscles that much-needed daily lift. Recommendation: Use 3 times a day, 10 times eath for time. How to use: 1. Cleaning products, then put into the mouth. 2. Put the left and right heads symmetrically into the mouth and bite about 1/3 of the middle round cake. Mouth type like as "O". 3. Then mouth type like "I", repeated practice. Specification: Material: Food grade silicone Dimensions: see the picture Color: random Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Smile Corrector(other accessories demo in the picture is not included.)