Nylon pins with protective resin ball - natural rubber cushion with soft nylon threads and resin coated tips.Particularly effective on wet hair. In the shower, on the beach or in the pool, the Showerbrush untangles hair and easily removes knots. Thanks to the cushion made of natural rubber, filled with soft nylon fibers and resin-coated tips, it gently massages the scalp.Suitable for all hair types, even the most sensitive children's hair.