Thanks to my knowledge gained in practice, I can confidently say that this microfiber cloth is the best I've used so far. It's soft, durable, and does a fantastic job of removing smudges and fingerprints from my sunglasses. I love that it comes in a convenient size that fits perfectly in my pocket. The only downside is that it's a bit pricey for a microfiber cloth but the quality makes it worth the investment..