SPECIFICATIONS DETAILS Frames made from TR-90 & Silicone. TR-90 frames are flexible, lightweight frames for durability, with silicone for added comfort for kids. TAC lenses with Polarized (reduces glare, improves comfort on reflective surfaces) and UV400 (blocks 100% UVA/UVB rays, protects eyes from damage) protection. TAC (Tri-Acetate Cellulose) lenses are lightweight, impact-resistant lenses for clear vision. High-concerned Chemicals: None. Style: Square. Includes protective packaging. Weight: 22.8g Recommended Age: 3-12 Years old SIZE & FIT Frame Measurements: Frame Width: 122mm (hinge to hinge), Lens Width/Height: 43mm, Bridge 23mm (nose gap), Temple 128mm (arm length). CARE Gently clean lenses with a damp cloth in one direction; avoid harsh chemicals to preserve the TR-90 and silicone frame and lens clarity. Certification: CE