1)It is for single use 2)Execute Standard:YY0336-2002 3)Specificaton: S, M, L. 4)Sterilized by ethylen oxide gas Vaginal speculum features:(1)CE and FDA certificate;(2)Size: small , middle ,large;(3)Sterilized by ethylen oxide gas;(4)Material: it is made of PS plastic.(5)Packing: plastic bag for single.(6)The minimum order: 1x20' container.