Overall this product seems pretty good but I would like to improve the zipper and tongue. I've only had it for a few days, so I can't comment on durability. Its size is big enough for my sunglasses without the overall size of the case being huge. So to my concerns. The tongue is a bit small for my medium sized fingers. It just requires too much precision to capture. I created a custom tongue extender that solves this problem. It would be nice if the product came with something similar from the manufacturer. Additionally, the included pull tab is held in place by a curved ring that doesn't fully close (see red arrow in image). The tongue doesn't go through this hole, but I'm wondering if the metal of the tongue and/or bracket will wear down over time and the tongue will fall out. My advice to the manufacturer: ditch all the unnecessary accessories and spend money on a quality YKK zipper.
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