1.Ikhwalithi ephezulu ye-polycarbonate (PC)Iqinile futhi ihlala isikhathi eside2.Idizayini eyenziwe ngumuntu, ukucushwa kwamakhethini, ukushintsha kwamahhala.3.UV ukumelana nokushisa okuphezuluI-4.Ishidi le-Pc eliqinile Impilo yesevisi 10+ iminyaka