The color is Holographic Fireworks. Size is approx. 5-inch. Changes colors with lighting. It's a burst of every color in the rainbow depending on lighting. It is impossible to take a photograph of this holographic material and show what the eyes see when looking at it directly. The material is actually much more beautiful than the pics show. High Quality adhesive will stick to just about any clean, flat, dry surface and will not harm automotive paint. Easy to apply Instructions will be sent with each decal order.