Product Specifications Frame Material: Premium Stainless Steel (Durable & Lightweight) Temple Material: Flexible TR (Comfortable for All-Day Wear) Lens Material: Anti-Scratch Polycarbonate (Crystal-Clear Vision) Strength Options: 1.0 / 1.5 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0 (Choose Your Perfect Power) Color Options: Gunmetal, Black (Classic, Timeless Styles) Dimensions: Lens Width: 51mm | Lens Height: 32mm Bridge Size: 19mm | Temple Length: 140mm Frame Width: 133 mm (Universal Fit for Most Adults) Package Includes 2 x Metal Frame Reading Glasses (Same Strength & Color as Selected).