... (smooth cotton,soft handfeel,and elastic):Suitable for sofa,bench hassock,toys,bedclothes,and automobile filling products.2.Specifications:a.1D ... .c.7D silicon:Suitable for filling products ,e.g.toys,sofa,bench hassock,bedclothes.d.15D(silicon): Suitable for filling products ... ,e.g.sofa,bench hassock,toys,automobile filling products,and pillow.e.Pearl wool ball ...