These are glasses that cut blue light from computers and smartphones. They are glasses that cut blue light rays emitted from LCD screens and reduce flickering. They are very simple glasses, so they are easy to use. The frame is black with a pink polka dot pattern. I used them once, but there are no noticeable stains. They have been cleaned with alcohol. PC GLASSES Melanin Lens Features: Cuts 50% of blue light Sunglasses Plastic Visible light transmittance: 77% Ultraviolet transmittance: 1% or less The box will be folded and shipped.