SOLO Eyewear - Recycled Plastic Sunglasses - Round Recycled Plastic frame Triacetate lens Polarized Lens width: 49 millimeters Travel the world in style with the classic, round Belize frame. This frame is named after the country, Belize, where SOLO Eyewear has funded eye care. Each pair of SOLOs purchased funds eye care for people in need through prescription eyeglasses and sight saving eye surgeries. Matte tortoise shell TR90 frames with 20% recycled plastic, polarized brown TAC lenses, bamboo logo, double barrel hinges Polarized, triacetate lenses with 100% UV protection. Prescription friendly.