5546 Thintanium Eyeglasses by Lindberg. Color: 05, 10, 20, 30, 60, 70, 75, 77, 80, 85, 90, 107, 113, 117, GT, U12, U13, U14, U15, Size: 47-19-140, Temple: Classic. The LINDBERG's 5546 introduces a subtle panto-inspired curve to the rectangle, blending classic elegance with contemporary poise. Thintanium’s resilience makes these frames near indestructible yet supremely light. Ergonomic temple tips add comfort for extended wear. They're perfect for a polished look with a hint of vintage flair.