Fuze Ten is the ultimate medical grade silicone to create the perfect Ultra Realistic toy. Fuze Ten has a wonderful feel and flexibility, with just the right amount of squeeze ability. With the amazing detail of the Ultra, the path of every vein can be traced and every muscle seen beneath the skin. All this, and the Ultra is vibe compatible, harness compatible and designed to stimulate the harness wearer as well. Ultra does everything but make your coffee afterwards.