Toes No Bone: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. Toes bone:Soles and ankles have Built-in bone,Toes have built-in bones;Feet palm, ankles can not be bent and fixed,Toes can be bent fixed. All Joint Movable : Toes, Feet palm, ankles have Built-in bone;All joints and toes can be bent and fixed posture like a real foot as will.Note: The artificial bones are made of alloy, and the motion effect can achieve the same bending range of motion as real human joints. However, the internal structure of the artificial bones is completely different from that of real human joints;especially the toes, The internal structure is made of alloy, which is different from the internal structure of real toes. If you Need a product with the same bone structure as the real human body, then the bone of the product does not meet your requirements. Silicone Toes bone: Except for the toes with built-in bones, all other parts are filled with liquid silicone, and the other parts have no built-in bones, so the whole is relatively soft