(About a week of continuous use) $0.02 Works very well for removing fingerprints. For every other junk on the device, it works worse or doesn't work at all. Traditional eyeglass cleaning bags are far less practical but can handle a much wider range of situations. The design of the rotating lid case is good, and for several days of use, it is reliable and predictable. Less impressive is the adhesion of the black sticky cleaning material to the roller - a noticeable seam ridge and a slight ridge on the edge. The overall size is a little large to carry around, about two C-type batteries the size. However, for ease of use, the dimensions are well chosen, making the product easy to handle. Reuse looks pretty good. The instructions recommend gently rinsing the roller with water and then letting it dry while standing on the end. I have done this three times. I found cleaning the roller to be just as easy and effective as the instructions say. The cost is $20, most of which is for convenience. Namely, at CostCo I can buy 400 individually wrapped wet goggle lenses for $20, $16 off; Less convenient but easier to carry (generally speaking) PARTIAL CLEANING: Excellent for removing fingerprints and dust, otherwise another cleaning method is required Advantages: FINGERPRINTS. It removes fingerprints superbly and easily - much easier than a wet glasses cleaning cloth. I use my iPad a lot, especially for reading and for a few puzzles, which keeps fingerprints in the way; iRoller gets the job done perfectly! It is easy and trouble-free to clean, making it suitable for long-term reuse. I will keep and use mine.
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