Lisebelisoa tsa TPU ke thermoplastic polyurethane, e ka aroloang ka polyester le polyether. Filimi ea TPU e na le litšobotsi tse ntle tsa tsitsipano e phahameng, elasticity e phahameng, khanyetso e phahameng ea ho apara le ho hanyetsa botsofali, 'me e na le litšobotsi tse babatsehang tsa tšireletso ea tikoloho, e seng chefo, bopaki ba hlobo le antibacterial, biocompatibility, joalo-joalo.