We contact it article due to the fact if a person pushes on you, or hits you, or you hit them they must come to feel as should they ran into a solid fence article or phone pole.Ch?t li?u tem b?o hành: L?a ch?n ch?t li?u tem b?o hành phù h?p v?i lo?i s?n ph?m và m?c ?ích s? d?ng.Thi?t k? in ?n chuyên nghi?p giúp ??ng b? các ?n ph?m c?a th??