- Made of thermoplastic material colorful and transparent for use in the arcade upper and lower teeth. With edges rounded, internal retention channels, perforated surface, which allows removal of part fractions for molding with open tray transfer, and sectioning vertical, which help to retain the material used for molding. • Three different sizes; • For individual molding and protocol; • For use in Upper and Lower archways. - Pack: 1 upper tray + 1 lower tray. **For further product information , please contact Chat support**