Sizes: Small Size with Blue Pack(for Kid);Harmless: No harm to the teeth and oral soft tissue.;Convenient: Avoid the trouble and inconvenience causing by Arch wire training, especially for man who cannot achieve Arch wire training.
Sizes: Small Size with Blue Pack(for Kid);Harmless: No harm to the teeth and oral soft tissue.;Convenient: Avoid the trouble and inconvenience causing by Arch wire training, especially for man who cannot achieve Arch wire training.