Place Of Origin:China (mainland)Lens Width:54mm Lens Height:44mm Frame Material:plastic Model Number:2040 Gender:MEN Lenses Material:Acrylic Origin:Mainland China Double Beam Design : The double beam design of these glasses provides extra coverage for your eyes, blocking out more blue light than traditional glasses. Anti-Blue Light Lenses : The anti-blue light lenses in these glasses help reduce the amount of blue light that enters your eyes, reducing eye strain and fatigue. Versatile Use : These glasses are perfect for a variety of activities, including reading, playing games, and using computers, making them a versatile addition to your wardrobe. Lightweight and Comfortable : Made with plastic frames and acrylic lenses, these glasses are lightweight and comfortable to wear for extended periods, making them ideal for long study sessions or gaming marathons. Specifications Color: silver black/gold black/gray/transparency StyleSquare Glasses Lens Material: AC Frame Material: Plastics And Metal Size: 14.5*14*4.6cm Number of piece: 1pcs Tip: There Is Some Slight Error Between The Actual Size And Measurement Feature 1. Square 2. Plastics And Metal Frame