● Ortho Pro Z ● ※ Trackable anonymous shipping (Mercari shipping) Ortho PROZ 4 pieces / case x 3 sets Please use it to reduce the pain of contact with orthodontic appliances. The ends of the wires and the brackets hit the inside of the cheeks, and it hurt so much that I bought a lot of them in early November, but I no longer need them because the pain subsided. Ortho Pro Z is a transparent, high-purity medical-grade silicone. It protects the mucous membranes during long-term orthodontic appliance wear, Significantly reduces discomfort in the oral cavity. Reduces and alleviates various pains during orthodontics. Ingredients: Silicone Shape: Rod-shaped Wire orthodontics Orthodontic wax ※ We are sorry, but we do not accept price negotiations.