
Others I've seen have a black inner ring that compresses the lens a bit. It's not like this. The black rings are separate spacers if you don't like the color. There are no instructions for them. Blue is left, red is right. Flat ignition with the company's name and a small arrow at the bottom of the lens. If the little arrow is pointing up, they are turned on properly. Putting it on was a two-handed affair, as they didn't quite match the exact outline shape of the lens. Luckily they are soft and have a lot of flexibility so the curves and planes are close enough to fit. One day they seem to stay. Tried them with my glasses and they didn't let them hit anything. The best thing about this pack is the extra features. A HUGE cleaning cloth and soft lens cap make a perfect match.

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