12PCS Smile Corrector Teeth Bite Spring Smile Expression Muscle Training Auxiliary Tools(White)

1. Unique arc design, special telescopic spring
2. The face shape is more beautiful and the corners of the mouth rise unconsciously, allowing you to maintain a happy mood at any time and increase your personal charm
3. Let the cheeks move for about 2-3 minutes every day, the effect is good
4. Dimensions: 8.3 x 2.2 x 2.5cm
5. Weight: about 11g

Instructions
1. Align the U-shaped support points at both ends with the corners of the mouth
2. Puff up your cheeks and make the sound of the English letter O to exercise your cheeks
3. Every morning and evening, use about 2-3 minutes each time

Precautions
1. Please rinse with clean water after use and keep it dry and hygienic in a ventilated place
2. If you need to straighten your teeth again and feel uncomfortable when using it, please stop using it