The purchase date was October 2022, but the usage period is less than two years at most. There are no noticeable stains or scratches, and it can still be used. Please check the official website for the model, etc., before purchasing. Please understand that the measurements in photos 7-9 are amateur measurements and consider them as a reference only. PC glasses Blue light cut Color: Brown系 (Brown-based) Frame material: Resin/Plastic Stains, tears, odors, etc.: None