All Platinum Silicone :Soles and ankles have Built-in bone,Toes without built-in bones;Feet palm, ankles can not be bent and fixed; Toes can be bent as will,can not be fixed posture, just like a thick rubber band. TGJ: This is the most advanced version at present. The product fidelity is higher than the TG version. This version is a collection version, more suitable for foot fetish lovers, collectors, and professional props.Compared with the TG series, the TGJ series not only contains blood vessels,But increased the details of capillaries, making the feet more crystal clear,increases the color transition of the feet,Because the skin color of the human body is excessively colored, and the skin color of each centimeter is not exactly the same , this version increases the excessive color of the skin surface, such as the cyan skin around the blood vessels, the red skin in some areas, etc., making the feet closer to the real human body. Preferred for display or photography of accessories such as jewelry,clothes, sockings, Bracelets, Massage practice,Manicure,ring,Bangles and manicure art etc,or as collectibles for art collectors and foot/Hand lover.