please be aware that these will absolutely turn yellow after just a couple of months of use. i noticed the first couple of pairs turning yellow, and when i pulled a new and unused pair out of the box it was black and white (or yellow and clear) obvious that the ones exposed to light had turned yellow. i wrote the company and they told me that they were supposed to be that way, but it's nonsense. it's cheap plastic and just turns yellow with light exposure. i would recommend only buying from brands that are non-yellowing. you don't need to spend more to get non-yellowing glasses, and i suspect that many of the reviews on these came from people who reviewed them just after opening and not after much use.
the glasses are inexpensive, lightweight, and look pretty good. this was my fifth time purchasing them assuming they have not changed, however, they have. the arms now have springs which is fine, but i like to wear my glasses on my head, and the springs don't allow the glasses to hang on. when i bend over, they fall off. this isn't mentioned anywhere and the pictures don't show it.
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