Nivagen nipple cover looks and feels similar to the natural texture of skin. The gel-like cups taper at the edges for a seamless finish. All that makes our nipple covers more invisible. Blouse Shirts, Strapless, Backless, Deep-V, Wedding Dress, Swimwear, and Gowns. bipple covers will be your quality companion and will accompany you every day within the active busy lifestyle of today. You must have one in your wardrobe!