The difference with other products: material: using platinum silica gel, completely solve the quality problems of ordinary materials, no odor, no need to add flavor to cover the odor, no leakage; simulation of human venous blood vessels, venous blood vessels on the feet looming; The texture is clearer, whether it is the sole of the foot or the toe, you can see the skin texture of the real person more clearly. Explanation:Finger Wrist bone:palm Wrist and Finger,all have Built-in bone; Wrist and Finger can be bent and fixed.(Built-in bone:Alloy materials) Avoid wearing accessories of dark color or easily fade or put together with ink materials such as magazines, or otherwise it can be contaminated and hard to clean; Also avoid direct sunshine which can result in aging of material. In the case that the item get dirty, Use neutral detergent or shower gel and rinse it in water; If it is deformed, it can be recovered by soaking with 60° warm water.