Lip Muscle Trainer for Mouth Breathing Correction, Children's Oral Muscle Exerciser

This lip muscle trainer is designed for correcting mouth breathing and improving orbicularis oris muscle function in children. It is suitable for children who sleep with their mouths open and may have adenoid face appearance. The brand is DIFKING, and the item number is 0. The applicable scenario is other. The material is PP. This product is not a cross-border export dedicated supply source.