Okamoto 003 Aloe condoms are made from natural rubber. The thinnest in the world Best seller in Japan Ultra thin, only 0.03mm. 003 feels like you really don't wear it! 1.7 times thinner than condoms, which are highly flexible. The surface is soft to the touch, odorless and adds extra features. Aloe vera gel A water-type lubricant extracted from aloe vera, gentle formula, provides twice the slickness than the traditional okamoto 003.