Characteristic: Kids silicon mouth tray is made from 100% food grade silicon. The size is suitable for children and youth, the silicon mouth tray feeling is soft and it has a high transparency. It is a double sides tray with double arch.But it don’t have the function of thermoplastic deformation. Scope of Application: It can be used for adjuvant treatment like orthopedic training for the oral muscle in dental clinic. certificate: CE certificate