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

1. Unique arc design, special telescopic spring2. 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 charm3. Let the cheeks move for about 2-3 minutes every day, the effect is good4. Dimensions: 8.3 x 2.2 x 2.5cm5. Weight: about 11gInstructions1. Align the U-shaped support points at both ends with the corners of the mouth2. Puff up your cheeks and make the sound of the English letter O to exercise your cheeks3. Every morning and evening, use about 2-3 minutes each timePrecautions1. Please rinse with clean water after use and keep it dry and hygienic in a ventilated place2. If you need to straighten your teeth again and feel uncomfortable when using it, please stop using it