SPECIFICATIONS DETAILS Frames made from sustainable Bamboo Wood. Bamboo Wood frames are eco-friendly, lightweight, with a natural, stylish look. Polaroid TAC Polarized lens, with Polarized (minimize glare from reflective surfaces, improving clarity and comfort outdoors) and UV400 (blocks 100% of harmful UVA and UVB rays) protection. TAC Polaroid lenses are lightweight, impact-resistant, high-quality polarizing lenses, that reduce glare, enhancing visual clarity and comfort, thus providing clear vision with durability.Other features are: Anti-Reflective (enhance vision clarity by reducing internal lens reflection), Gradient (fade from dark to light, offering sun protection while maintaining clear lower vision) and Mirror coated (reduce glare and enhance visual comfort while adding a stylish, reflective finish). High-concerned Chemicals: None. Shape: Round. Includes protective packaging with case. SIZE & FIT Frame Measurements: Frame Width 141mm (hinge to hinge), Lens Width 50mm, Lens Height 43mm, Bridge 21mm (nose gap), Temple 146mm (arm length). CARE Gently clean lenses with a damp cloth in one direction; avoid harsh chemicals to preserve the wooden frame and lens clarity. Certification: CE, FDA