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