CTA Digital 3DSSSB Black Silicone Skin for 3DS CTA Digital 3DSSSB Silicone Skin for Nintendo 3DS. The Nintendo 3DS is the first of it's kind in handheld 3D gaming. To protect the 3DS from the wear and tear of everyday use, CTA Digital introduces the Silicon Skin for Nintendo 3DS. The soft, and stylish silicone skin is scratch resistant and also helps to lessen the impact in the event that the 3DS is dropped. The silicone skin has openings in all the areas that correspond with the ports and cameras to allow for easy accessibility. So with the Silicone Skin for Nintendo 3DS, you can enjoy the freedom of changing games, plugging in your headphones, and freely using the touch screen with your stylus without ever having to remove the protective case.