Genuine Ray-Ban Replacement Lenses: Expertly crafted for the RB4171 ERIKA model with a 54mm lens size, ensuring a precise fit and effortless restoration of your sunglasses. Advanced Lens Technology: Experience superior visual clarity with UV400 protection and scratch-resistant durability for enhanced performance. ✅ Non-Polarized Lenses with UV Protection & Natural Clarity: These lenses are non-polarized, offering full UV protection while maintaining natural color perception—great for everyday outdoor use. ✅ Comfortable, Lightweight Frames for All-Day Wear: Crafted from durable, lightweight materials that provide long-lasting comfort during travel, errands, or time in the sun. ✅ Eyewear Care Kit Included for Easy Maintenance: Comes with a microfiber cloth, lens spray, and mini screwdriver—everything you need to clean, adjust, and protect your sunglasses.