material : plastic . Comfortability : seven out of ten . it takes longer than it should to arrive . fit me perfectly . it ' s hard to walk if you are not good with heels .####[([0], [2], 'NEU'), ([4], [6, 7, 8, 9], 'POS'), ([18], [12, 13, 14, 15, 16], 'NEG'), ([20], [22], 'POS'), ([29], [27], 'NEG')]