The silikoni mphira Kutentha waya ntchito firiji / mufiriji / ozizira chipinda khomo chimango, ndi awiri waya chotenthetsera ndi 3.0mm, waya awiri ena akhoza makonda, monga 2.5mm, 4.0mm, etc. The silikoni mphira Kutentha waya mtundu ndi woyera, wofiira, transparent, etc.The kutalika ndi 1M, 4M, 4M, 2M.
