Product Name: No Brand Blue Light Cut Glasses, Non-prescription, Square, Black Description: These are black, square-shaped blue light cut glasses. They are non-prescription, so you can use them directly for PC work and smartphone use. The inner temple reads "28002 52□16-143 C1". They have been used very little and are in clean condition with no noticeable scratches or stains. As they have been stored, there may be minor oversights, but please check the photos for the condition. Color: Black (C1) Size: Lens Width: Approximately 52mm / Bridge Width: Approximately 16mm / Temple Length: Approximately 143mm Will be shipped in simple packaging. No comments, immediate purchase OK! I will sell them to someone who likes them.