Easily the most realistic O2 we've ever created, Luke was designed to make your fantasies as authentic as possible. Tantus' Dual Density O2 line delivers maximum satisfaction through a Super Soft outside and a hard muscle core, both made of Tantus' own unique blend of 100% Ultra-Premium Silicone. Luke is available in Cream, Cocoa, and Black, and works beautifully in a harness.