Frame Material: Ginger is a light, bright crystal handmade from zyl acetate. | Hardware: Five barrel hinges with a wire core embedded in each temple for strength. | Lens: Pewter Mirror CR-39 lenses manufactured by Carl Zeiss Vision. Featuring 100% UVA/UVB protection and 4 base curve.| What's In The Box: Includes a premium hard sunglass case and custom printed polishing cloth.