Mirror flash is a nice flash that looks good on most flies. The Mirror version of this flash really has a lot of extra pang. This flash has a lightly grooved surface wrap which gives a great effect as it helps to make the flash shine even more. perfect for grassy water or night fishing It really is a flash that throws back a lot of light, very intense. Especially for coastal flies and gullies, this type of flash is unmatched. Easy to work with and with some great effects in the water. Lightens well and gives the flies the little extra that can determine it on difficult days.