Full Silicone: The whole foot is made of TPE material without built-in bones. The whole foot and toes are all soft and can be bent at will, just like a thick rubber band. Hard bones: The soles and ankles have built-in bones, but the ankles cannot be bent (TG series full bone version the ankles can be bent), the toes have no built-in bones, and the toes are elastic like rubber bands, and can be bent as needed, but toes cannot be fixed in various postures. Toes bone: The toes have built-in bones that can be bent at will, and can be fixed in various postures as needed. Same as the "hard bones" version: the ankles and soles have built-in bones, but the ankles cannot be bent (TG series full bone version the ankles can be bent). Preferred for display or photography of accessories such as jewelry,clothes, sockings, Bracelets, Massage practice，Manicure,Bangles and manicure art etc,or as collectibles for art collectors and foot lover. Recommended color: wheat color foot products are more similar to real feet, and the display effect is better.