Ray-Ban 0RB4224 Round Sunglasses, Matte Grey Plastic Made in US Plastic frame Plastic lens Non-Polarized 100% UV protection coating Lens width: 49 millimeters Bridge: 20 millimeters Arm: 140 millimeters 2" high Ultra-light, resilient titanium and nylon fiber for maximum comfort, extreme stability and durability  screw less light ray hinges with no welding for enhanced resilience and endurance