Ibikoresho fatizo byamacupa yamata ya silicone ni silicone, byoroshye.Hariho ubwoko bubiri bwamahoro kubishushanyo mbonera, bishobora guhinduka.Diameter nini y'icupa ni 7CM, byoroshye koza no kongeramo amata.Igishushanyo mbonera cyumubiri wicupa bituma bigorana kuzunguruka, umubiri wicupa urabyimbye, kubika ubushyuhe birashobora kuramba, kandi uburibwe bwumwana burashobora gukumirwa byoroshye.
