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. Difference with TPE products: looming veins and blood vessels, with real colors, more realistic;material: using platinum Liquid silicone, completely solve the quality problems of ordinary materials, no odor, no need to add flavor to cover the odor, no leakage.