Tsau suction khob, siv suction khob tuaj yeem ua tau sub ah hauv chav dej, muab tso rau ntawm yuav Curved notch tsim, tuaj yeem muab tso rau hauv rab chais txhuam hniav, thiab lwm yam khoom siv silicone, siv cov khoom siv silicone tsim, yooj yooj yim tsis yooj yim rau kev puas tsuaj. nqa, me me thiab compact, yooj yim nqa mus tsev