The package was shipped fast. Thanks to Amazon Prime! I used these glasses retainer primarily for my prescription eyeglasses so I can easily conveniently carry them anywhere.
Pros:
Rubber and plastic materials are flexible and easy to attach to your frame.
Easily adjustable to your size and comfortable to wear.
Because they are not bulky, they easily fit in your glasses case.
The package comes with extra rubber attachment for larger frame size.
Cons:
None
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